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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."); }
}
It terminates execution of the block of statements in while or for loop & continues execution of the loop along with the next iteration. On the contrary to the break statement, con
Difference between HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
What is an intelligent system? Intelligent system is a SW programs or SW and HW systems designed to perform complex tasks employing strategies in which mimic some aspect of hum
hi there I have some problem on java .. can u do it for me
a program to find the area under curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b
This assignment is about experimenting with the Java runtime system's garbage collection model, and comparing it with the C++ manual memory allocation model. Below is the Garbage J
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
J2EE Java Website rebuild Project Description: We are seeking an experienced developer to re-build a Java/J2EE based Website. We are in requirement to reconstruct our website
For this assignment, you will write a Java windowed application to do online quiz on general knowledge and the application also displays the quiz result. Overview of the applic
What is Constraints explain with example? One of the purposes to use constructors and setter techniques rather than directly accessing fields is to enforce constraints. For exa
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