Convert char to lowercase java

You can use Character class’s toLowerCase method to convert char to lowercase in java.

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Method signature

public static char toLowerCase(char ch)

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Parameters

ch is primitive character type.

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Return type

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

package org.arpit.java2blog;

public class JavaToLowercaseMain {

public static void main(String[] args) {

      System.out.println(Character.toLowerCase('a'));
      System.out.println(Character.toLowerCase('Y'));
      System.out.println(Character.toLowerCase('B'));
      System.out.println(Character.toLowerCase('Z'));

   }

}

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

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