1  //Functions to find square and sqrt of a number
 2  
 3  import java.util.Scanner; 
 4  
 5  public class function {
 6    public static int square_num(int num) {
 7      return num * num;    
 8    }
 9  
10    public static double sqrt_num(int num2) {
11      return Math.sqrt(num2);
12    }
13  
14    public static void main(String[] args) {
15      Scanner sc = new Scanner(System.in);
16  
17      System.out.println("Enter number: ");
18      int a = sc.nextInt();
19  
20      int square_a = square_num(a);
21      double sqrt_a = sqrt_num(a);    
22  
23      System.out.println("Square of " + a + " is " + square_a);
24      System.out.println("Sqruare Root of " + a + " is " + sqrt_a);
25    }
26  }