Java – catch multiple exceptions

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Java Multi catch block

If you have to perform different tasks at the occurrence of different Exceptions, use java multi catch block.

Let’s see a simple example of java multi-catch block.

package exceptionhandling;

public class TestMultipleCatchBlock {
    public static void main(String args[]) {
        try {
            int a[] = new int[5];
            a[5] = 30 / 0;
        } catch (ArithmeticException e) {
            System.out.println("task1 is completed");
        } catch (ArrayIndexOutOfBoundsException e) {
            System.out.println("task 2 completed");
        } catch (Exception e) {
            System.out.println("common task completed");

        System.out.println("rest of the code...");

Test it Now

Output:task1 completed
       rest of the code...

Rule: At a time only one Exception is occured and at a time only one catch block is executed.

Rule: All catch blocks must be ordered from most specific to most general i.e. catch for ArithmeticException must come before catch for Exception .

class TestMultipleCatchBlock1{
    public static void main(String args[]){
            int a[]=new int[5];
        catch(Exception e){System.out.println("common task completed");}
        catch(ArithmeticException e){System.out.println("task1 is completed");}
        catch(ArrayIndexOutOfBoundsException e){System.out.println("task 2 completed");}
        System.out.println("rest of the code...");

Test it Now


Compile-time error

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