Question

write a program to input a number and check whether it is a three digit number or not (in java)​

Answer 1

Answer:

import java.io.*;

class digit

{

   public static void main()throws IOException

   {

       BufferedReader br=new BufferedReader

           (new InputStreamReader (System.in));

       System.out.println("ENTER NUMBER");

       int num=Integer.parseInt(br.readLine());

       if(num>=100 && num<=999)

           System.out.println("THREE DIGIT NUMBER");

       else

           System.out.println("NOT A THREE DIGIT NUMBER");

   }

}

Explanation:

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Answer 2

Answer: The required java program is :-

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

    Scanner scan = new Scanner(System.in);

    System.out.print("Enter an integer : ");

    int num = scan.nextInt();

    if(num>=100 && num<=999){

        System.out.println("The number "+num+" is a three digit number.");

    }

    else {

        System.out.println("The number "+num+" is not a three digit number.");

    }

  }

}

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