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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."); }
}
a program that groups items according to their number
JavaServer Faces(JSF) is a framework for building web-based user interface in Java. Unlike Swing, JSF provides widgets like buttons, hyperlinks, checkboxes, etc. in dissimilar ways
Use a while loop to count down from 100 and display all the numbers in the * following pattern (you have to figure out what the pattern is - don''t go below 0): * 100 99 97 94
#comparison of merge sort and bubble sort
luminos The polishing game
What are the kinds of computer network according to the distance among nodes? The kinds of computer network according to the distance among nodes are: 1. LAN 2. WAN
can you tell me what the code for a 2d random java array using Recursive Division Maze Generation
write a java program to board coloring
#question.Write a program to find the area under the curve y = f(x) in java.
Support for Web and Enterprise Web Applications Java offers an extensive support for the development of web and enterprise applications Servlets, JSP, Applets, RMI, JDBC, EJBs
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