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Explain try and catch exception in java?
Why use exceptions instead of return values? 1. Forces error checking 2. Cleans up your code through separating the normal case from the exceptional case. (The code isn't littered along with a lot of if-else blocks checking return values.) 3. Low overhead for non-exceptional case
Traditional programming languages set flags or return bad values such as -1 to denotes problems. Programmers frequent don't check these values.
Java throws Exception objects to denotes a problem. These cannot be ignored.try-catchtry-catch public class HelloThere {
public static void main(String[] args) { try { System.out.println("Hello " + args[0]); } catch (ArrayIndexOutOfBoundsException e) { System.out.println("Hello Whoever you are."); }
}
how i made a calculator in java plz tell help me
codes and output on how to make multiple choices quiz
What are the advantages of multimedia presentations? Write any five. Multimedia presentation is a excellent tool for effective communication: Advantages: 1. Easy to make l
Objective The objective of this lab exercise is to develop a unit test suite using JUnit Specification of the Program to be Tested You are given the source code of a Java clas
program for syntax tree
1) Listing of the source code ( named Rainfall.java ) for your program 2) Two sample output/execution/runs of your program Optional Group Work: This assignment may be done in
1. The purpose of this problem is to practice using generics. Create a generic class with a type parameter that simulates drawing an item at random out of a box. For exampl
Describe about User Security Issues and Social Engineering ? Contrary to popular belief most computer break-ins through external hackers don't happen since of great knowledge
Project Description: We have a project on hold to complete a due task of a Java swing desktop audio and video server. The admin panel and other features are already implemented.
program
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