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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."); }
}
State the significance of public, private, protected, default modifiers both singly and in combination and state the effect of package relationships on declared items qualified by
Ask develop a project in visual basic for student mark-sheet processing. #Minimum 100 words accepted#
Write a short Java application that stores words in an Array or ArrayList. You get to pick the number of words to store. Generate a random number between 0 (inclusive) and the leng
What is PortableRemoteObject.narrow() method and what is used for? Ans) Java RMI-IIOP gives a mechanism to narrow the the Object you have received from from your
Write a program to add of doubles in java? Doubles are treated much the similar way, but now you obtain to use decimal points in the numbers. This is a same program which does
In Java not all classes must be described separate from each other. You may put the definition of one class under the definition of another class. The class inside class is called
program for board coloring
Question 1 Explain any five buzz words in Java Question 2 Explain exception classes and also explain common exceptions in java Question 3 Explain primitive and abstract data t
AskWrite an application that uses an Array to store 10messages of type String. You will store this Array with 10 messages of your choosing. For example, a message could be “I love
Alia is appearing for the board exams. In order to qualify for the next class Alia need to get exactly X credits. In current semester Alia has to study N number of subjects, and ev
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