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How to catch multiple exceptions explain with example?
If multiple blocks match the exception type, the first block in which matches the kinds of the exception catches it. public class HelloThere {
public static void main(String[] args) { int repeat; try { // possible NumberFormatException and ArrayIndexOutOfBoundsException repeat = Integer.parseInt(args[0]); // possible ArithmeticException int n = 2/repeat; // possible StringIndexOutOfBoundsException String s = args[0].substring(5); } catch (NumberFormatException e) { // print an error message System.err.println("Usage: java HelloThere repeat_count" ); System.err.println( "where repeat_count is the number of times to say Hello" ); System.err.println("and given as an integer like 1 or 7" ); return; } catch (ArrayIndexOutOfBoundsException e) { // pick a default value repeat = 1; } catch (IndexOutOfBoundsException e) { // ignore it } catch (Exception e) { // print an error message and exit System.err.println("Unexpected exception"); e.printStackTrace(); return; } for (int i = 0; i < repeat; i++) { System.out.println("Hello"); } }
}It's rare to catch a general Error or Throwable because it's actually hard to clean up after them in the general case.
Describe the if statement in Java ? All but the most trivial computer programs required to form decisions. They test a condition and operate in a different way based on the out
Write responsibilities of the followings 1. Developer a) Module level design. b) Coding c) Unit testing 2. Executive Team a) Responsible for the day to day operations. b) A
Exercise 1) Lets start by query example in SPARQL: QUERY: What are the school's names that belong to the "local authority district" 00AA? NOTE 1: "Authority districts" divide UK i
The SudCell Class A single cell in a Sudoku must clearly represent a number from 1 to 9 . But in a solver context, we need much more. It isn't enough to say "this c
What is Overloading explain with an example? Overloading is while the similar method or operator can be used on several different kinds of data. For example the + sign is used
How can I improve the performance of a java application , describe the java optimization techniques?
What is the use of Wrapper class You can create an object of Wrapper class using a String or a primitive data type Integer num = new Integer (4); or Integer num = n
board colouring programon..
what is java
Implement a program to query and update the text database for a library using a client/server model allowing multiple clients safe access to the database, and using a producer-cons
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