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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."); }
}
In this assignment, you will implement the game of Boggle, a word game in which players connect adjacent letters on a 4x4 board to create as many words as possible. This is based o
Default port used by RMI Registry is 1099
In this lab, you will practice using ArrayLists in two ways. The first is in the problem domain class Question.java (see the UML diagram shown below) which contains data for trivi
An online music store offers all songs for 3$ each. The store requires members to prepay any amount of money they wish, and then download as many songs accordingly. You are require
What is asynchronous messaging? Queue Ans) Asynchronous messaging includes a client that does not wait for a message from the server. An event is used to trigger a message from
Explain the concept of Multi-Threaded- JAVA Java has a concept of concurrency wired right in to the language itself. This works out more cleanly than languages where concur
list The Java Class Library? Java holds an extensive library of pre-written classes you can use in your programs. These classes are separated into groups known as packages. Th
rules
Explain the term - Garbage Collection Java performs garbage collection and eliminates the need to free objects explicitly. When an object has no references to
write a java program to board coloring
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