/*
 * Save as a LowerToHigher.java
 * Program for change the case of String(Lower to higher or vice versa)
 */
package r4r.co.in;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class LowerToHigher {

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

        BufferedReader D1 = new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Enter the String:");
        String s1 = D1.readLine();


        //Code for Change the String Case(type conversion)

        /*
         * The String,from console should be store into
         * the the Character.
         */
        char n1 = (char) s1.getBytes()[0];
        /*
         * If the Digit is belong from the lower case,
         * should be change into upper case
         */
        if (n1 >= 'a' && n1 <= 'z') {
            s1 = s1.toUpperCase();
            System.out.println("The String Change to Uppercase:" + s1);
            /*
             * If the digit belong from the upper case,
             * should be change into lower case
             */
        } else if (n1 >= 'A' && n1 <= 'Z') {
            s1 = s1.toLowerCase();
            System.out.println("The String Change to Lowercase:" + s1);

        }
    }
}