Convert char to uppercase java

Table of Contents

You can use Charater class’s touppercase method to convert char to uppercase in java.

Method signature

public static char touppercase(char ch)

ch is primitive character type.

return type is char. If char is already uppercase then it will return same.

package org.arpit.java2blog;

public class JavaToUpperCaseMain {

public static void main(String[] args) {

System.out.println(Character.toUpperCase('a'));

System.out.println(Character.toUpperCase('Y'));

System.out.println(Character.toUpperCase('f'));

System.out.println(Character.toUpperCase('u'));

}

When you run above program, you will get below output:

A
Y
F
U

That’s all about how to convert char to uppercase in java.

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