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DataInputStream Class

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The Class DataInputStream is baselly handle a primitive type data types

 

Example 1

write a programme to input your Firstname,lastname input them.

import java.io.*;

public class DataInputstream {

   
    public static void main(String[] args) 
    {

            DataInputStream dis = new DataInputStream(System.in);
            String fname,lname;
            
            fname = "";
            lname = "";

           
        try 
          {
            System.out.print("Enter Your FirstName");
            fname = dis.readLine();
            System.out.print("Enter Your LastName");
            lname = dis.readLine();
             
            System.out.println("FirstName is "+ fname);
            System.out.println("LastName is "+ lname);
             
            
        } 
         catch (IOException ex) 
        {
           ex.printStackTrace();
        }
  
    }
    
}

Example 2

write a programme to input your num1,num2 and calculate the total.

import java.io.*;


public class DataInputstream {

   
    public static void main(String[] args) 
    {
            DataInputStream dis = new DataInputStream(System.in);
            int  num1,num2,tot;
        try 
         {
             System.out.print("Enter Your Num1");
             num1 = Integer.parseInt(dis.readLine());
             System.out.print("Enter Your Num2");
             num2 = Integer.parseInt(dis.readLine());
             tot = num1 + num2;
             System.out.println("Total  is "+ tot);
             
        } 
        catch (IOException ex)
        {
           ex.printStackTrace();
        }
    }
    
}

I have attached the video tutorial below it will help you  to do this  step by step.

 

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