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Class Character

  • java.lang.Object
  • java.lang.Character

Unicode Conformance

Unicode character representations, nested class summary, field summary, constructor summary, method summary, methods inherited from class java.lang. object, field detail, uppercase_letter, lowercase_letter, titlecase_letter, modifier_letter, other_letter, non_spacing_mark, enclosing_mark, combining_spacing_mark, decimal_digit_number, letter_number, other_number, space_separator, line_separator, paragraph_separator, private_use, dash_punctuation, start_punctuation, end_punctuation, connector_punctuation, other_punctuation, math_symbol, currency_symbol, modifier_symbol, other_symbol, initial_quote_punctuation, final_quote_punctuation, directionality_undefined, directionality_left_to_right, directionality_right_to_left, directionality_right_to_left_arabic, directionality_european_number, directionality_european_number_separator, directionality_european_number_terminator, directionality_arabic_number, directionality_common_number_separator, directionality_nonspacing_mark, directionality_boundary_neutral, directionality_paragraph_separator, directionality_segment_separator, directionality_whitespace, directionality_other_neutrals, directionality_left_to_right_embedding, directionality_left_to_right_override, directionality_right_to_left_embedding, directionality_right_to_left_override, directionality_pop_directional_format, min_high_surrogate, max_high_surrogate, min_low_surrogate, max_low_surrogate, min_surrogate, max_surrogate, min_supplementary_code_point, min_code_point, max_code_point, constructor detail, method detail, isvalidcodepoint, isbmpcodepoint, issupplementarycodepoint, ishighsurrogate, islowsurrogate, issurrogate, issurrogatepair.

isHighSurrogate(high) && isLowSurrogate(low)

toCodePoint

Codepointat, codepointbefore, highsurrogate, lowsurrogate, codepointcount, offsetbycodepoints, islowercase.

a b c d e f g h i j k l m n o p q r s t u v w x y z '\u00DF' '\u00E0' '\u00E1' '\u00E2' '\u00E3' '\u00E4' '\u00E5' '\u00E6' '\u00E7' '\u00E8' '\u00E9' '\u00EA' '\u00EB' '\u00EC' '\u00ED' '\u00EE' '\u00EF' '\u00F0' '\u00F1' '\u00F2' '\u00F3' '\u00F4' '\u00F5' '\u00F6' '\u00F8' '\u00F9' '\u00FA' '\u00FB' '\u00FC' '\u00FD' '\u00FE' '\u00FF'

isUpperCase

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z '\u00C0' '\u00C1' '\u00C2' '\u00C3' '\u00C4' '\u00C5' '\u00C6' '\u00C7' '\u00C8' '\u00C9' '\u00CA' '\u00CB' '\u00CC' '\u00CD' '\u00CE' '\u00CF' '\u00D0' '\u00D1' '\u00D2' '\u00D3' '\u00D4' '\u00D5' '\u00D6' '\u00D8' '\u00D9' '\u00DA' '\u00DB' '\u00DC' '\u00DD' '\u00DE'

isTitleCase

  • '\uFF10' through '\uFF19' , Fullwidth digits Many other character ranges contain digits as well. Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character is a digit; false otherwise. Since: 1.5 See Also: forDigit(int, int) , getType(int)
  • It has a value in a range defined by the UnicodeData file. Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character has a defined meaning in Unicode; false otherwise. Since: 1.5 See Also: isDigit(int) , isLetter(int) , isLetterOrDigit(int) , isLowerCase(int) , isTitleCase(int) , isUpperCase(int)
  • OTHER_LETTER Not all letters have case. Many characters are letters but are neither uppercase nor lowercase nor titlecase. Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character is a letter; false otherwise. Since: 1.5 See Also: isDigit(int) , isJavaIdentifierStart(int) , isLetterOrDigit(int) , isLowerCase(int) , isTitleCase(int) , isUnicodeIdentifierStart(int) , isUpperCase(int)

isLetterOrDigit

Isjavaletter.

  • ch is a connecting punctuation character (such as '_' ). These conditions are tested against the character information from version 6.2 of the Unicode Standard. Parameters: ch - the character to be tested. Returns: true if the character may start a Java identifier; false otherwise. Since: 1.02 See Also: isJavaLetterOrDigit(char) , isJavaIdentifierStart(char) , isJavaIdentifierPart(char) , isLetter(char) , isLetterOrDigit(char) , isUnicodeIdentifierStart(char)

isJavaLetterOrDigit

  • isIdentifierIgnorable returns true for the character. These conditions are tested against the character information from version 6.2 of the Unicode Standard. Parameters: ch - the character to be tested. Returns: true if the character may be part of a Java identifier; false otherwise. Since: 1.02 See Also: isJavaLetter(char) , isJavaIdentifierStart(char) , isJavaIdentifierPart(char) , isLetter(char) , isLetterOrDigit(char) , isUnicodeIdentifierPart(char) , isIdentifierIgnorable(char)

isAlphabetic

  • LETTER_NUMBER or it has contributory property Other_Alphabetic as defined by the Unicode Standard. Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character is a Unicode alphabet character, false otherwise. Since: 1.7

isIdeographic

Isjavaidentifierstart.

  • the referenced character is a connecting punctuation character (such as '_' ). These conditions are tested against the character information from version 6.2 of the Unicode Standard. Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character may start a Java identifier; false otherwise. Since: 1.5 See Also: isJavaIdentifierPart(int) , isLetter(int) , isUnicodeIdentifierStart(int) , SourceVersion.isIdentifier(CharSequence)

isJavaIdentifierPart

  • isIdentifierIgnorable(codePoint) returns true for the code point These conditions are tested against the character information from version 6.2 of the Unicode Standard. Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character may be part of a Java identifier; false otherwise. Since: 1.5 See Also: isIdentifierIgnorable(int) , isJavaIdentifierStart(int) , isLetterOrDigit(int) , isUnicodeIdentifierPart(int) , SourceVersion.isIdentifier(CharSequence)

isUnicodeIdentifierStart

  • getType(codePoint) returns LETTER_NUMBER . Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character may start a Unicode identifier; false otherwise. Since: 1.5 See Also: isJavaIdentifierStart(int) , isLetter(int) , isUnicodeIdentifierPart(int)

isUnicodeIdentifierPart

  • isIdentifierIgnorable returns true for this character. Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character may be part of a Unicode identifier; false otherwise. Since: 1.5 See Also: isIdentifierIgnorable(int) , isJavaIdentifierPart(int) , isLetterOrDigit(int) , isUnicodeIdentifierStart(int)

isIdentifierIgnorable

  • all characters that have the FORMAT general category value Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character is an ignorable control character that may be part of a Java or Unicode identifier; false otherwise. Since: 1.5 See Also: isJavaIdentifierPart(int) , isUnicodeIdentifierPart(int)

toLowerCase

Touppercase, totitlecase.

  • The character is one of the fullwidth lowercase Latin letters a ( '\uFF41' ) through z ( '\uFF5A' ) and its code is less than radix + '\uFF41'- 10 . In this case, codePoint - '\uFF41' + 10 is returned. Parameters: codePoint - the character (Unicode code point) to be converted. radix - the radix. Returns: the numeric value represented by the character in the specified radix. Since: 1.5 See Also: forDigit(int, int) , isDigit(int)

getNumericValue

Isspacechar.

  • PARAGRAPH_SEPARATOR Parameters: codePoint - the character (Unicode code point) to be tested. Returns: true if the character is a space character; false otherwise. Since: 1.5 See Also: isWhitespace(int)

isWhitespace

Isisocontrol, getdirectionality, reversebytes.

Character.UnicodeBlock.of(codePoint).toString().replace('_', ' ') + " " + Integer.toHexString(codePoint).toUpperCase(Locale.ENGLISH);

Submit a bug or feature For further API reference and developer documentation, see Java SE Documentation . That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright © 1993, 2024, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms . Also see the documentation redistribution policy .

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Assignment operator in Java

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Assignment operator in Java

Java Programming For Beginners Free Course

Assignment operators in java: an overview.

We already discussed the Types of Operators in the previous tutorial Java. In this Java tutorial , we will delve into the different types of assignment operators in Java, and their syntax, and provide examples for better understanding. Because Java is a flexible and widely used programming language. Assignment operators play a crucial role in manipulating and assigning values to variables. To further enhance your understanding and application of Java assignment operator's concepts, consider enrolling in the best Java Certification Course .

What are the Assignment Operators in Java?

Assignment operators in Java are used to assign values to variables . They are classified into two main types: simple assignment operator and compound assignment operator.

The general syntax for a simple assignment statement is:

And for a compound assignment statement:

Read More - Advanced Java Interview Questions

Types of Assignment Operators in Java

  • Simple Assignment Operator: The Simple Assignment Operator is used with the "=" sign, where the operand is on the left side and the value is on the right. The right-side value must be of the same data type as that defined on the left side.
  • Compound Assignment Operator:  Compound assignment operators combine arithmetic operations with assignments. They provide a concise way to perform an operation and assign the result to the variable in one step. The Compound Operator is utilized when +,-,*, and / are used in conjunction with the = operator.

1. Simple Assignment Operator (=):

The equal sign (=) is the basic assignment operator in Java. It is used to assign the value on the right-hand side to the variable on the left-hand side.

Explanation

2. addition assignment operator (+=) :, 3. subtraction operator (-=):, 4. multiplication operator (*=):.

Read More - Java Developer Salary

5. Division Operator (/=):

6. modulus assignment operator (%=):, example of assignment operator in java.

Let's look at a few examples in our Java Playground to illustrate the usage of assignment operators in Java:

  • Unary Operator in Java
  • Arithmetic Operators in Java
  • Relational Operators in Java
  • Logical Operators in Java

Q1. Can I use multiple assignment operators in a single statement?

Q2. are there any other compound assignment operators in java, q3. how many types of assignment operators.

  • 1. (=) operator
  • 1. (+=) operator
  • 2. (-=) operator
  • 3. (*=) operator
  • 4. (/=) operator
  • 5. (%=) operator

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Java Assignment Operators

Java programming tutorial index.

The Java Assignment Operators are used when you want to assign a value to the expression. The assignment operator denoted by the single equal sign = .

In a Java assignment statement, any expression can be on the right side and the left side must be a variable name. For example, this does not mean that "a" is equal to "b", instead, it means assigning the value of 'b' to 'a'. It is as follows:

Java also has the facility of chain assignment operators, where we can specify a single value for multiple variables.

Java Operator – &, && (AND) || (OR) Logical Operators

Ihechikara Vincent Abba

We use operators in most programming languages to perform operations on variables.

They are divided into various categories like arithmetic operators, assignment operators, comparison operators, logical operators, and so on.

In this article, we will be talking about the bitwise AND operator, and the AND ( && ) and OR ( || ) logical operators.

How to use the bitwise AND operator

The symbol & denotes the bitwise AND operator. It evaluates the binary value of given numbers. The binary result of these numbers will be returned to us in base 10.

When the & operator starts its operation, it will evaluate the value of characters in both numbers starting from the left.

Let's look at an example to help you understand better:

Let's break it down.

The binary value of 10 is 1010

The binary value of 12 is 1100

Here is something you should have in mind before we start the operation:

  • 1 and 0 => 0
  • 0 and 1 => 0
  • 1 and 1 => 1
  • 0 and 0 => 0

So let's carry out the operation.

The first character for 10 is 1 and the first character for 12 is also 1 so:

1 and 1 = 1.

We move on to the second characters – 0 for 10 and 1 for 12:

1 and 0 = 0.

For the third characters – 1 for 10 and 0 for 12:

For the fourth characters – 0 for 10 and 0 for 12:

0 and 0 = 0.

Now let's combine all the returned characters. We would have 1000.

The binary value 1000 in base 10 is 8 and that is why our operation returned 8.

How to use the logical AND operator

Note that we use logical operators to evaluate conditions. They return either true or false based on the conditions given.

The symbol && denotes the AND operator. It evaluates two statements/conditions and returns true only when both statements/conditions are true.

Here is what the syntax looks like:

As you can see above, there are two statements/conditions separated by the operator. The operator evaluates the value of both statements/conditions and gives us a result – true or false.

Here is an example:

The operation will return true because both conditions are true – 10 is greater than 2 and 8 is greater than 4. If either one of the conditions had an untrue logic then we would get false .

To better understand the && operator, you should know that both conditions must be true to get a value of true .

Here is another example that returns false :

Here, 2 is not greater than 10 but 8 is greater than 4 – so we get a false returned to us. This is because one of the conditions is not true.

  • If both conditions are true => true
  • If one of the two conditions is false => false
  • If both conditions are false => false

How to use the logical OR operator

We use the symbol || to denote the OR operator. This operator will only return false when both conditions are false. This means that if both conditions are true, we would get true returned, and if one of both conditions is true, we would also get a value of true returned to us.

Here is the syntax:

Let's go over a few examples.

This returns true because one of conditions is true.

  • If one of the conditions is true => true

In this article, we learned how to use the bitwise & operator in Java and how the operation is carried out to give us a result.

We also learned how to use the && and || logical operators in Java. We learned what value each operation returns based on the conditions involved in the operation.

Happy Coding!

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The char keyword is a data type that is used to store a single character.

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Assignment Operators in Programming

Assignment operators in programming are symbols used to assign values to variables. They offer shorthand notations for performing arithmetic operations and updating variable values in a single step. These operators are fundamental in most programming languages and help streamline code while improving readability.

Table of Content

What are Assignment Operators?

  • Types of Assignment Operators
  • Assignment Operators in C
  • Assignment Operators in C++
  • Assignment Operators in Java
  • Assignment Operators in Python
  • Assignment Operators in C#
  • Assignment Operators in Javascript
  • Application of Assignment Operators

Assignment operators are used in programming to  assign values  to variables. We use an assignment operator to store and update data within a program. They enable programmers to store data in variables and manipulate that data. The most common assignment operator is the equals sign ( = ), which assigns the value on the right side of the operator to the variable on the left side.

Types of Assignment Operators:

  • Simple Assignment Operator ( = )
  • Addition Assignment Operator ( += )
  • Subtraction Assignment Operator ( -= )
  • Multiplication Assignment Operator ( *= )
  • Division Assignment Operator ( /= )
  • Modulus Assignment Operator ( %= )

Below is a table summarizing common assignment operators along with their symbols, description, and examples:

Assignment Operators in C:

Here are the implementation of Assignment Operator in C language:

Assignment Operators in C++:

Here are the implementation of Assignment Operator in C++ language:

Assignment Operators in Java:

Here are the implementation of Assignment Operator in java language:

Assignment Operators in Python:

Here are the implementation of Assignment Operator in python language:

Assignment Operators in C#:

Here are the implementation of Assignment Operator in C# language:

Assignment Operators in Javascript:

Here are the implementation of Assignment Operator in javascript language:

Application of Assignment Operators:

  • Variable Initialization : Setting initial values to variables during declaration.
  • Mathematical Operations : Combining arithmetic operations with assignment to update variable values.
  • Loop Control : Updating loop variables to control loop iterations.
  • Conditional Statements : Assigning different values based on conditions in conditional statements.
  • Function Return Values : Storing the return values of functions in variables.
  • Data Manipulation : Assigning values received from user input or retrieved from databases to variables.

Conclusion:

In conclusion, assignment operators in programming are essential tools for assigning values to variables and performing operations in a concise and efficient manner. They allow programmers to manipulate data and control the flow of their programs effectively. Understanding and using assignment operators correctly is fundamental to writing clear, efficient, and maintainable code in various programming languages.

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Java Division Assignment (/=) Operator

Java division assignment.

In Java, Division Assignment Operator is used to find the division of the variable (left operand) by a value (right operand) and assign the resulting quotient to this variable (left operand).

In this tutorial, we will learn how to use Division Assignment operator in Java, with examples.

The syntax to find the product of a value 2 with variable x and assign the result to x using Division Assignment Operator is

In the following example, we take a variable x with an initial value of 9 , divide it with a value of 2 and assign the result back to x , using Division Assignment Operator.

In this Java Tutorial , we learned about Division Assignment Operator in Java, with examples.

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  1. java assignment in char

    The literal 0x1234 is a hex integer literal. Its value fits in the char primitive type, so it is valid; char b = \u1234;//B. Is not valid notation and so won't compile. char c = '\u1234'; char is. char: The char data type is a single 16-bit Unicode character. It has a minimum value of '\u0000' (or 0) and a maximum value of '\uffff' (or 65,535 ...

  2. assigning values to characters in java

    0) create a map with keys G,A,T,C and values 1,2,3,4. 1) get character array from the String line. 2) create a variable charVal. 3) iterate through the character array. 4) for each character, initialize charVal to 0, get the value from map for that char, assign it to charVal. 5) print charVal.

  3. Character (Java Platform SE 8 )

    The Java SE 8 Platform uses character information from version 6.2 of the Unicode Standard, with three extensions. First, in recognition of the fact that new currencies appear frequently, the Java SE 8 Platform allows an implementation of class Character to use the Currency Symbols block from version 10.0 of the Unicode Standard.

  4. arrays

    0. char let1 = names[i].charAt(names[i].length()-1); It means find out the string at index i of String array names and from that String extract out the character at the last index of that String. And then assign that character value to the char variable let1. char let2 = names[i+1].charAt(0); It means extract out the String at index i+1 from ...

  5. Java Assignment Operators with Examples

    Note: The compound assignment operator in Java performs implicit type casting. Let's consider a scenario where x is an int variable with a value of 5. int x = 5; If you want to add the double value 4.5 to the integer variable x and print its value, there are two methods to achieve this: Method 1: x = x + 4.5. Method 2: x += 4.5.

  6. Types of Assignment Operators in Java

    To assign a value to a variable, use the basic assignment operator (=). It is the most fundamental assignment operator in Java. It assigns the value on the right side of the operator to the variable on the left side. Example: int x = 10; int x = 10; In the above example, the variable x is assigned the value 10.

  7. Java Operators

    Next, let's see which assignment operators we can use in Java. 9.1. The Simple Assignment Operator. The simple assignment operator (=) is a straightforward but important operator in Java. Actually, we've used it many times in previous examples. It assigns the value on its right to the operand on its left:

  8. Assignment operator in Java

    Assignment Operators in Java: An Overview. We already discussed the Types of Operators in the previous tutorial Java. In this Java tutorial, we will delve into the different types of assignment operators in Java, and their syntax, and provide examples for better understanding.Because Java is a flexible and widely used programming language. Assignment operators play a crucial role in ...

  9. Character Class in Java

    Note: The Character class is immutable like String class i.e once it's object is created, it cannot be changed. Methods in Character Class . The methods of Character class are as follows: 1. boolean isLetter(char ch): This method is used to determine whether the specified char value(ch) is a letter or not. The method will return true if it is letter([A-Z],[a-z]), otherwise return false.

  10. Java Assignment Operators

    Compound Assignment Operators. Sometime we need to modify the same variable value and reassigned it to a same reference variable. Java allows you to combine assignment and addition operators using a shorthand operator. For example, the preceding statement can be written as: i +=8; //This is same as i = i+8; The += is called the addition ...

  11. Java Operators

    Java Comparison Operators. Comparison operators are used to compare two values (or variables). This is important in programming, because it helps us to find answers and make decisions. The return value of a comparison is either true or false. These values are known as Boolean values, and you will learn more about them in the Booleans and If ...

  12. All Java Assignment Operators (Explained With Examples)

    Below, we have explained each assignment operator in Java with examples. Simple Assignment Operator (=) We'll start with the most straightforward and simple assignment operator (=), which is used to assign a value of the variable on the right to the variable on the left.

  13. Java Assignment Operators

    Java Assignment Operators. The Java Assignment Operators are used when you want to assign a value to the expression. The assignment operator denoted by the single equal sign =. In a Java assignment statement, any expression can be on the right side and the left side must be a variable name. For example, this does not mean that "a" is equal to ...

  14. Java char

    The data type char comes under the characters group that represents symbols i.e. alphabets and numbers in a character set. The Size of a Java char is 16-bit and the range is between 0 to 65,535. Also, the standard ASCII characters range from 0 to 127.

  15. Java Assignment operators

    The Java Assignment operators are used to assign the values to the declared variables. The equals ( = ) operator is the most commonly used Java assignment operator. For example: int i = 25; The table below displays all the assignment operators in the Java programming language. Operators.

  16. Java Operator

    The first character for 10 is 1 and the first character for 12 is also 1 so: 1 and 1 = 1. We move on to the second characters - 0 for 10 and 1 for 12: 1 and 0 = 0. For the third characters - 1 for 10 and 0 for 12: 1 and 0 = 0. For the fourth characters - 0 for 10 and 0 for 12: 0 and 0 = 0. Now let's combine all the returned characters.

  17. Java char Keyword

    Java char Keyword Java Keywords. Example char myGrade = 'B'; System.out.println(myGrade); Try it Yourself » Definition and Usage. The char keyword is a data type that is used to store a single character. A char value must be surrounded by single quotes, like 'A' or 'c'. Related Pages.

  18. Assignment Operators in Programming

    Assignment operators are used in programming to assign values to variables. We use an assignment operator to store and update data within a program. They enable programmers to store data in variables and manipulate that data. The most common assignment operator is the equals sign (=), which assigns the value on the right side of the operator to ...

  19. Why are we allowed to assign char to a int in java?

    char has a dual personality. It is a 16 bit unsigned integer numeric type, which makes assignment to int a very natural operation, involving widening primitive conversion, one of the conversions that the compiler will insert if needed without requiring an explicit cast. It is also the way characters are represented for I/O and String operations.

  20. Java Division Assignment (/=) Operator

    In Java, Division Assignment Operator is used to find the division of the variable (left operand) by a value (right operand) and assign the resulting quotient to this variable (left operand). In this tutorial, we will learn how to use Division Assignment operator in Java, with examples. The syntax to find the product of a value 2 with variable ...