public class ExceptionHandling1 {
    public static void method1(){
        System.out.println ("Start of method1");
        int x = 10;
        int y = 0;
        double z = 0;
        z = x/y; 
        System.out.println ("z = " + z);
        System.out.println ("End of method1" + "\n");
    }

    public static void method2(){
        System.out.println ("Start of method2");
        int x = 10;
        int y = 0;
        double z = 0;
        try{
            z = x/y; 
            System.out.println ("z = " + z);
        }
        catch(ArithmeticException e){
            System.out.println ("You cannot divide an integer by 0!!");
            System.out.println ("e.getMessage() = " + e.getMessage());
            e.printStackTrace();
        }
        System.out.println ("End of method2" + "\n");
    }

    public static void method3(){
        System.out.println ("Start of method3");
        int a[] = {1,2,3};
        try{
            System.out.println(a[3]); 
            System.out.println ("I will not be reached");
        }
        catch(ArrayIndexOutOfBoundsException e){
            System.out.println ("No such cell number in the array!!");
            System.out.println ("e.getMessage() = " + e.getMessage());
            e.printStackTrace();
        }
        System.out.println ("End of method3" + "\n");
    }

    public static void method4(){
        System.out.println ("Start of method4");
        String s = "hey";
        try{
            System.out.println(s.charAt(5)); 
            System.out.println ("I will not be reached");
        }
        catch(StringIndexOutOfBoundsException e){
            System.out.println ("No such character in the String!!");
            System.out.println ("e.getMessage() = " + e.getMessage());
            e.printStackTrace();
        }
        System.out.println ("End of method4" + "\n");
    }

    public static void method5(){
        System.out.println ("Start of method5");
        String s = null;
        try{
            System.out.println(s.length()); 
            System.out.println ("I will not be reached");
        }
        catch(NullPointerException e){
            System.out.println ("The String object has a null reference!!");
            System.out.println ("e.getMessage() = " + e.getMessage());
            e.printStackTrace();
        }
        System.out.println ("End of method5" + "\n");
    }

    public static void main(String args[]){ // No Errors or Exceptions in main()
        System.out.println ("Starting Main Method");
        //method1();
        method2();
        method3();
        method4();
        method5();
        System.out.println ("Ending Main Method");
    }
}