package react;
import java.util.Scanner;
public class Intputfromuser {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		System.out.println("enter a number to compare with number 5 ");
		Scanner input= new Scanner(System.in);
		int a=input.nextInt();
		if(a==2)
		{
            System.out.println("U Have Entered The same value");
	    }
		else if(a<2)
		{
			System.out.println("Ur number is Smaller than 2");
		}
		else if(a>2)
		{
			System.out.println("U Have Entered the number Greater than ");
		}
		else {
			System.out.println("U Have Enterer Invalid Input");
		}
	}
}

public static void main(String[] args) {
    System.out.println("enter a number to compare with number 5 ");
    Scanner s = new Scanner(System.in);
    String userInput = s.nextLine();
    try {
        int option = Integer.parseInt(userInput);
        if (option == 2)
        {
            System.out.println("U Have Entered The same value");
        }
        else if (option < 2)
        {
            System.out.println("Ur number is Smaller than 2");
        }
        else if (option > 2)
        {
            System.out.println("U Have Entered the number Greater than 2");
        }
    } catch (NumberFormatException e) {
        System.out.println("Invalid input!");
    }
}

   import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        System.out.print("enter a number to compare with number 5: ");
        int userInput = getInteger();
        if (userInput == 2)
        {
            System.out.println("U Have Entered The same value");
        }
        else if (userInput < 2)
        {
            System.out.println("Ur number is Smaller than 2");
        }
        else {
            System.out.println("U Have Entered the number Greater than 2");
        }
    }
    static int getInteger() {
        boolean correct = false;
        Scanner input = new Scanner(System.in);
        int userInput = 0;
        do {
            try {
                userInput = input.nextInt();
                correct = true;
            } catch (Exception e) {
                System.out.println("Incorrect input");
                System.out.println("Please try again: ");
            } finally {
                input.nextLine();
            }
        }
        while (!correct);
        input.close();
        return userInput;
    }
}

public static void main(String[] args) {
/* Open a keyboard input stream. There is no need to close 
this stream. The JVM will do that automatically when the
application closes.               */
Scanner input = new Scanner(System.in);
String val = "";    // Used to store User input:
// User Prompt with 'quit' capability and entry validation:
while (val.isEmpty()) {
System.out.print("Enter a number to compare with number 5 (q to quit): -> ");
val = input.nextLine().trim(); // Trim in case just a whitespace(s) was entered.
// Was 'q' for quit supplied?
if (val.equalsIgnoreCase("q")) {
/* Yes...then quit. Returning out of main() effectively 
closes this particular application:             */
System.out.println("Quiting - Bye Bye");
return;
}
// Validate Entry:
/* Is entry a string representation of a signed or unsigned Integer 
value and does the supplied value fall within the relm of an int? */
if (!val.matches("-?\\d+") || (Long.parseLong(val) < Integer.MIN_VALUE) || 
(Long.parseLong(val) > Integer.MAX_VALUE)) {
// No...Inform User and allow to try again:
System.out.println("Invalid Numerical Entry! {" + val + ") Try again..." 
+ System.lineSeparator());
val = "";   // Empty variable to ensure re-loop:
}
}
// If you make it to this point in code, the User input was valid!
// Now parse the String numerical value to an int:
int a = Integer.parseInt(val);
/* At this point, there are only three usable conditions:
Equal To, Less Than, and Greater Than (validity has
already been handled within the `while` loop:     */
// Equal To:
if (a == 5) {
System.out.println("You have entered The same value.");
}
// Less Than:
else if (a < 5) {
System.out.println("Your number is smaller than 5.");
}
// Greater Than:
else {
System.out.println("You have entered a number greater than 5.");
}
// DONE
}