java toUpperCase() and toLowerCase() example

Categories: Java 9 Java 8(JDK1.8) Java Java Examples

import java.util.*;


public class r4r{

    public static void main(String[] args) {

      String str="Rajesh Kumar";

      System.out.println("Upper Case:-"+str.toUpperCase());

      System.out.println("Lower Case:-"+str.toLowerCase());

  }

}


Output:

Upper Case:-RAJESH KUMAR
Lower Case:-rajesh kumar

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