exp.java

package javatest;
import java.util.Scanner;
public class exp{
	static Scanner sc = new Scanner(System.in);
 static int a=10;
 static int b= sc.nextInt();
 public static void main(String[] args) { 
 	exp.maths();
 	exp.match();
 }

 
 public static void maths(){
 try {
 int c = a/b;

 } catch (java.util.InputMismatchException e) {
 System.out.println("Input Error: Please enter valid integers.");
 
 }
 }


 public static void match(){
 try {
 int c = a+b;

 } catch (java.util.InputMismatchException e) {
 System.out.println("Input Error: Please enter valid integers.");
 
 }
 }
}