FilesExpand file tree

 master

/

UnCheckedNullPointerCases.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

25 lines (21 loc) · 883 Bytes

 master

/

UnCheckedNullPointerCases.java

Copy path

Top

File metadata and controls

• Code
• Blame

25 lines (21 loc) · 883 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

package exceptionCases;

// Unchecked Exception - not checked by compiler at compile time

//null pointer exception in java is a runtime exception

// Hierarchy - Object > Throwable > Exception > RuntimeException > NullPointerException

//predictable, erroneous situation

// an unchecked exception represents an error in programming logic, not an erroneous situation that might reasonably occur during the proper use of an API.

public class UnCheckedNullPointerCases {

public static void main(String[] args) {

Emp e = new Emp();

e.getT().getJ(); // Null Point Exception - avoid by using check of null

}

public void arithmaticExce() {

try {

int num1 = 30, num2 = 0;

int output = num1 / num2; // ArithmaticException

System.out.println("Result: " + output);

} catch (ArithmeticException e) {

System.out.println("You Shouldn't divide a number by zero");

}

}

}