Develop a program to convert a string from lowercase to uppercase using method of String class.

Develop a program to convert a string from lowercase to uppercase using method of String class.

Program:

import java.util.*; 
class ConvertCasePrg
{
   public static void main(String args[])
   {
Scanner sc= new Scanner(System.in);
String str="";

//input string
System.out.print("Enter any string: ");
str=sc.nextLine();

//declaring objects to store lowercase and uppercase strings
String lowerCaseString="",upperCaseString="";

//convert into lower case
lowerCaseString= str.toLowerCase();  
//convert into upper case
upperCaseString= str.toUpperCase();  

//printing the strings
System.out.println("Original String: "+str);
System.out.println("Lower Case String: "+lowerCaseString);
System.out.println("Upper Case String: "+upperCaseString);   
   }

}

Output: