Throws Keyword Program

Throws Keyword Program

Program
import java.util.*;
class A
{
    void f1() throws ArrayIndexOutOfBoundsException,StringIndexOutOfBoundsException
    {
        String v="hello";
        char c=v.charAt(0);
        int a[]=new int[5];
        a[15]=20; //correct statement is a[1]=20;
        System.out.println("a[15]="+a[15]); //correct statement is System.out.println("a[1]="+a[1]);
    }
    void f2() throws ArithmeticException,InputMismatchException
    {
        int x=10,y=0,z;// correct statement is int x=10,y=2,z;
        z=x/y;
        System.out.println("z="+z);
    }
}
class B
{
    void f4(String s1,String s2) throws Exception
    {
        int f1=Integer.parseInt(s1);
        int f2=Integer.parseInt(s2);
        int f3=f1+f2;
        System.out.println("f3="+f3);
    }
}

public class Main
{
public static void main(String args[])
    {
        A a=new A();
        B b=new B();
        try
        {
            a.f1();
            a.f2();
            b.f4("ten","20"); //correct statement is dm.f4("10","20");
        }
        catch(StringIndexOutOfBoundsException se)
        {
            System.out.println("String index is outof range");
        }
        catch(ArrayIndexOutOfBoundsException ee)
        {
            System.out.println("array index is outof range");
        }
        catch(ArithmeticException ae)
        {
            System.out.println("Denominator should not be zero");
        }
        catch(NumberFormatException ee)
        {
            System.out.println("please enter integer values only");
        }
        catch(Exception e)
        {
            System.out.println(e);
        }
    }
}

Output:

array index is outof range


Exception Handling In Java



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