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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."); }
}
Normal 0 false false false EN-US X-NONE X-NONE
Both Java and C++ use same syntax and are Object Oriented, but there are several differences between Java and C++: 1. Java does not use pointers. Pointers are inherently
How can I connect my java application with xampp
Problem 1 A savings account object holds a non-negative balance, and provides deposit(k ) and withdraw(k ) methods, where deposit(k ) adds k to the balance, and withdraw(k ) subtra
List down the Analytical Engine's elements name An analytical engine elements are as follows: Input Memory Processor Output.
Explain unicode in java? Java uses the Unicode character set. It is a two-byte character code set which has characters representing almost overall characters in almost all huma
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
The design of the website will be left to the individual student. The website must be written only in xml, displayed in xhtml using transforms and xsl for styling elements. Javascr
Prototype is having multiple instances or having clone.
What does the " abstract " keyword mean in front of a method and a class ?
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