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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."); }
}
Java Project Introduction: In this project, you will explore a few sorting algorithms. You will also test their efficiency by both timing how long a given sorting operation take
I want someone to fix some bugs in a java app Project Description: I have a small app in java, but it has some issues, the app is running. But we need to make it work more st
You must design, code and demonstrate a J2ME program (a program capable of running on mobile telephones) according to the specification given in the next section. The overall cour
Can a human doctor be replaced through an Expert System? Give reasons to support your answer. Expert System is a computer system that simulates the knowledge and expertise of a
We want an E Commerce site Project Description: We want an E Commerce site like fifacointrader.. You must have experience with that kind of work We will award the proje
Explain garbage collection. Java uses garbage collection to free the memory. By cleaning those objects which is no longer reference by any of the program. Step involve in clean
Design and implement a class called Sphere that contains instance data that represents the sphere''s diameter, and include getter and setter methods for the diameter. Include metho
It helps to resolve naming conflicts when different packages have classes with the same names. This also helps you prepare files within your project. As define : java.io package
Why we Avoiding Short Circuits ? If you need all of your boolean expressions evaluated regardless of the truth value of each, then you can use & and | instead of && and ||. The
A:Java is a computer language. There are some of the reasons which describe: 1. Built-in support for multi-threading, memory management (automatic garbage collection), and
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