java Exception Example

public class ArrayException {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int[] marks={34,35,36,39,40} ;
		for (int i=0; i<= marks.length; i++)
		{
			System.out.println(marks[i]);
		}
	}

}

import java.util.Scanner;

public class ExampleException01 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try{
			int a ;
			
			System.out.println("This is Monitor block");
			Scanner sc1 = new Scanner(System.in);
			System.out.println("Please enter Dividend");
			int b = sc1.nextInt();
			System.out.println("Please enter Divisor");
			int c = sc1.nextInt();
			a = b/c ;
			System.out.println("Output is:"+a);
		}
		catch (Exception e)
		{
			System.out.println("This is a catch block");
			System.out.println(e.getMessage());
			System.out.println(e.getCause());
			e.printStackTrace();
		}
		finally{
			System.out.println("This is a finally block");
		}
		

	}

}

	public class CustomException extends Exception  // In-Sufficient Balance
{
	private int reason_code;
	
	CustomException(String msg){
		super(msg);
	}
	CustomException(int i1){
		super("Reason Code"+ i1);
		reason_code = i1 ;
	}
	
	@Override
	public String toString() {
		String msg_str = "In-Sufficient Balance, Please enter less amount" ;
		return msg_str;
	}
	
}

package in.sisoft;

import java.util.Scanner;

public class BankAcUsingCustom {

	private float balance ;

	BankAcUsingCustom(float amt)
	{
		this.balance = amt ;
	}
	
	public float getBalance() {
		return balance;
	}

	public void setBalance(float balance) {
		this.balance = balance;
	}

	void withdraw_amt(float amt) throws CustomException{
		if (amt > getBalance() ){
			CustomException ce = new CustomException("In Sufficient Balance");
			throw  ce ;
		}
		else
		{
			setBalance(getBalance()- amt);
			System.out.println("Thanks for availing the service");
		}
		
	}
	
	public static void main(String[] args){
			
		float draw_amt ;
		BankAcUsingCustom ac1 = new BankAcUsingCustom(2500.0f);
		Scanner sc1 = new Scanner(System.in);
		System.out.println("Enter the amount to Withdraw");
		draw_amt = sc1.nextFloat();
		try{
			ac1.withdraw_amt(draw_amt);
		}
		catch (Exception ce)
		{
			System.out.println(ce.getMessage()) ;
		}
			
			
	}
	
}