10.ExceptionExamples.java

/*Question-
Create a program to take input from user as 1 /2 /3, if
user enters 1, display info about Arithmetic Exception, 2
and 3 for Null pointer exception and Array index out of
bound exception, respectively. Use, Try, Catch block for
each exception individually.*/

//Code-
import java.util.Scanner;
public class Main {
  public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    String s=null;
    int i=0;
    while(i<3) {
      System.out.println("Enter Value 1/2/3: ");
      int n = sc.nextInt();
      switch (n) {
          //Arithmetic Exception
        case 1:
          try {
            int data = 5 / 0;
          }
          catch (ArithmeticException e) {
            System.out.println(e);
          }
          System.out.println("rest of the code");
          break;
        case 2:
          //Nullpointer Exception
          try {
            int m = s.length();
          } 
          catch (NullPointerException f) {
            System.out.println(f);
          }
          System.out.println("rest of code");
          break;
        case 3:
          try {
            int arr[] = {1, 3, 5, 7};
            System.out.println(arr[10]);
          } catch (ArrayIndexOutOfBoundsException g) {
            System.out.println(g);
          }
          System.out.println("rest of the code");
      }
      i++;
    }
  }
}