JAVA Problem Write a complete program for the following Ask

JAVA Problem:

Write a complete program for the following:

Ask user to enter sentence

Convert the sentence to all capital letters and print

Convert the sentence to all lower case letters and print

Convert the each character if it is upper to lower and vice versa.

Solution

SentenceTest.java

import java.util.Scanner;

public class SentenceTest {

   public static void main(String[] args) {
       Scanner scan = new Scanner(System.in);
       System.out.print(\"Enter sentence: \");
       String s = scan.nextLine();
       System.out.println(\"The sentence to all capital letters: \"+s.toUpperCase());
       System.out.println(\"The sentence to all lower letters: \"+s.toLowerCase());
       String newString = \"\";
       for(int i=0; i<s.length(); i++){
           char ch = s.charAt(i);
           if(Character.isUpperCase(ch)){
               newString = newString + Character.toLowerCase(ch);
           }
           else{
               newString = newString + Character.toUpperCase(ch);
           }
       }
       System.out.println(\"The each character if it is upper to lower and vice versa: \"+newString);
   }

}

Output:

Enter sentence: Suresh Murapaka
The sentence to all capital letters: SURESH MURAPAKA
The sentence to all lower letters: suresh murapaka
The each character if it is upper to lower and vice versa: sURESH mURAPAKA