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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."); }
}
15. Energy Drink Consumption A soft drink company recently surveyed 12,467 of its customers and found that approximately 14 percent of those surveyed purchase one or more energy dr
Explain what is Local Variable ? Declaring variables (using the var keyword) inside a function forms them local. They are available only inside the function and hold no meaning
Problem : Compiler Design - Limit the loops Rajni is a newbie to the programming and while learning the programming language he came to know the following rules: ???• Each
The game of Kala is played on a rectangular board: In front of each player are six pits numbered 1 to 6 (called the 'side pits'). To the right of a player's side pits is a
difference between applet and application
How to Returning Multiple Values From Methods ? It is not probable to return more than one value from techniques. You cannot, for example, return the licensePlate, speed and m
Write a ComputerPart class and a ComputerKit class and a client class to test them. The ComputerPart class has two variables: a String representing an item, and a double representi
Write a program that prompts for two people’s birthdays (month and day), along with today’s month and day. The program should figure out how many days remain until each user’s birt
What are the different scopes for Java variables? The scope of a Java variable is explained by the context in which the variable is declared. Therefore a java variable can have
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