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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."); }
}
Describe the concept of Encapsulation Encapsulation is a technique which is used for hiding properties and behaviors of an object and allowing outside access only as appropria
* Using a data structure to represent a set * Writing and using a checked exception * Extending the Exception class What should you upload via Blackboard? The files,
I am having trouble with the code below because I am trying to call the text field input type so that whenever someone enters a number above 10 it responds with the alert shown bel
what is the use of marker interface?
List down the names of two array techniques available in JavaScript. The two techniques thata rae available in java script is: 1. sort( ) [sorts elements within alphabetical
Write JavaScript code that is executed during form submission to calculate the cost of each book (based on quantity specified) and the overall total cost. The results should be dis
What Can an Applet Do? An applet can: • Draw pictures on a web page • Create a new window and draw in it. • Play sounds. • Receive input from the user by the keyboard or
Aspect-Oriented Programming (AOP) represents OOP (Object Oriented Programming) by giving the developer to dynamically change the static OO model to make a system that can
Luminous Jewels - The Polishing Game Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various lum
List the unexpected quotients in java? 2/3 = 0 3/2 = 1 1/0 = ArithmeticException 0/0 = ArithmeticException 1.0/0.0 = Inf 1.0/0 = Inf 0.0/0.0 = NaN -1.0/0.0
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