import java.io.*;
class Methods
{
public static int square(int x)
//takes an integer x as an argument
{
return x*x;
}
public static void display(int a)
//takes an integer and display it
{
System.out.println("The answer is: "+a);
}
public static void main(String[] args)
{
int number=4;
int answer=square(number); //call to method square
display(answer); //call to method display
}
}