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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."); }
}
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
Normal 0 false false false EN-US X-NONE X-NONE
How many ways are there to call a function in a program? Explain with example? Two Ways of Calling Functions: Functions do not run automatically. While the page loads, every
What is the preferred organizational structure for the organization? Preferred Organizational Structure for organization is hierarchal. Where there is various departments inter
What are the parts of website design? Parts of web design: There are in 3 types of elements for web design and below are there names: 1. Navigation scheme 2. Overall look and
You are required to implement a Java application that allows a user to create, read, update and delete data in a table in a MySQL database. Your program must use a Java class that
The confidentiality and privacy may be accomplished through encryption. Encryption may be: Private-key or symmetric: This is based on a single key. This needs the sender and the
Define the difference between StringBuffer and String class ?
Design a logic circuit to convert Gray code to Binary code and draw the logic circuit.
Write a program on Filling Rectangles ? The drawRect() method draws an open rectangle, a box if you prefer. If you need to draw a filled rectangle, use the fillRect() method. O
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