Java

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


public class Sum 
{
   public void getvalue() throws NumberFormatException, IOException
   {
   	System.out.println("Enter two numbers :");
   	 BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
   	int a=Integer.parseInt(br.readLine());
   	
   	int b=Integer.parseInt(br.readLine());
        
   	
   }
	
	
   public int sum(int a,int b)
    {
   	       return(a+b);
    }
    public static void main(String args[]) throws NumberFormatException, IOException
     {
       Sum obj=new Sum();
       obj.getvalue();
       int sum=obj.sum(int a,int b);
       System.out.println("Sum :"+ sum);
     }
}

class Sum {
  protected int a;
  protected int b;

  public void getvalue() throws NumberFormatException, IOException
  {
   System.out.println("Enter two numbers :");
   BufferedReader br =new BufferedReader(new InputStreamReader(System.in));

   a=Integer.parseInt(br.readLine());
   b=Integer.parseInt(br.readLine());
  }

  public int sum(int a,int b)
   {
          return(a+b);
   }

  static void main(String args[]) {
      Sum obj=new Sum();
      obj.getvalue();
      int sum=obj.sum(obj.a,obj.b);
      System.out.println("Sum :"+ sum);
  }
}

public class Sample
{
    public static void main(String[] args)
    {
        System.out.println("Real-time Motion Tracking and Object Detection in Surveillance Video");
    }
}

guess = 101;

guess == 101

import java.util.*;
public class Guess
{
	public static void main (String[] args)
	{
		final int MAX = 100;
		int answer, guess, attempt = 0;
		String replay = "Y";
		
		Scanner scan = new Scanner (System.in);
		Random generator = new Random();
		answer = generator.nextInt(MAX) + 1;
		System.out.print("I am thinking of a number "
						+ "between 1 and "+ MAX+". Enter your guess (0 to guit):");
		guess = scan.nextInt();
		
		do 
		{	
			if(guess == MAX + 1){

				answer = generator.nextInt(MAX) + 1;
				
				System.out.print("I am thinking of a number "
								+ "between 1 and "+ MAX+". Enter your guess (0 to guit):");
				guess = scan.nextInt();
			}
			
			if (guess == 0)
			{
			System.out.println ("You ended the game. Play again? (y/n):");
			replay = scan.next();
			guess = MAX + 1;
			attempt = 0;
			}
			else{
				if (guess > answer)
				{
					attempt++;
					System.out.print ("Try a smaller number (0 to quit): ");
					guess = scan.nextInt();
				}	
			}
			if (guess == 0)
			{
			System.out.println ("You ended the game. Play again? (y/n):");
			replay = scan.next();
			guess = MAX + 1;
			attempt = 0;
			}
			else{
				if (guess < answer)
				{
					attempt++;
					System.out.print ("Try a bigger number (0 to quit): ");
					guess = scan.nextInt();
				}
			}
		
			if (guess == answer)
			{
			attempt++;
			System.out.println ("You got it!");
			System.out.println ("Number of total attempts:" + attempt);
			System.out.println ();
			System.out.print("Play again? (y/n)");
			replay = scan.next();
			guess = MAX + 1;
			attempt = 0;
			}
			
		}while (replay.equals("y") || replay.equals("Y"));
		
		System.out.println("\nThanks for playing - GUESS THE NUMBER");
		
	}
}