char keyword in Java

The “char” keyword is used to declare a variable of character type.

char” is a Java primitive type.

A char variable can store a single Unicode character.

For example:

char delimiter = ';';

char letterA = 'A';

char letterB = 'B';

char letterC = 'C';

The char keyword can be used as a method parameter

  1. public void displayLetter(char letter) {
  3.     System.out.println("passed letter is "+letter);
  5. }
public void displayLetter(char letter) {

    System.out.println("passed letter is "+letter);


The char keyword can be used as a return type of a method as well

  1. public char getLetter() {
  3.     return 'A';
  5. }
public char getLetter() {

    return 'A';


The Character class includes useful static methods for dealing with char variables, including isDigit(),isLetter(), isWhitespace() and toUpperCase().

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