How To Create Computer Shift Button In Java - Java Program Example

Write A Java Program To Convert Small Alphabet  To Capital Alphabet And Capital Alphabet To Small Alphabet. When Compile  This Program Compiler Take Input As  Santense Or Any Text Alphabet By User . Compiler Show OutPut After Compile Program.

Program Code

package com.androidpro.in;





import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.Scanner;



public class Main {



    public static void main(String args[])throws IOException



    {



        int i,l;char ch;String str1="";



        InputStreamReader reader=new InputStreamReader(System.in);



        BufferedReader br=new BufferedReader(reader);



        String str=br.readLine();



        l=str.length();



        for(i=0;i<l;i++)



        {



            ch=str.charAt(i);



            if(ch>='A'&&ch<='Z')



            {



                ch+=32;



            }



            else if(ch>='a'&&ch<='z')



            {



                ch-=32;



            }



            str1=str1+ch;



        }



        System.out.println("You Typed Text =\t"+str);



        System.out.println("After Convert  =\t"+str1);



    }





}

 

 

 

 

Output 1

ABCDEFGHIJKLMNOPQRSTUVWXYZ

You Typed Text = ABCDEFGHIJKLMNOPQRSTUVWXYZ

After Convert  = abcdefghijklmnopqrstuvwxyz

Output 2

abcdefghijklmnopqrstuvwxyz

You Typed Text = abcdefghijklmnopqrstuvwxyz

After Convert  = ABCDEFGHIJKLMNOPQRSTUVWXYZ