Write a program String Change Upper to Lower using java - Technology369kk

Program:

 

class StringChangeCase {

public static void main(String arg[]){

String str ="Hello World";

String strLower = str.toLowerCase();

String strUpper = str.toUpperCase();

System.out.println("Original String:" + str);

System.out.println("String Changed to lower case:"+strUpper);

}

}

Answer: 

Original String:Hello World

String Changed to lower case:HELLO WORLD