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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."); }
}
Question 3 Using this line: var posneg : array [1..15] of integer; Write a program that calculates the number of negative and positive numbers in the array. Users will
explain multiple inheritance in java ?.
Coarse Grained SOA : Services are also could be coarse grained. E.g: You may have a purchase element with individual functions to make a purchase order, add line items, and a
Struts framework J a v a Server Faces More matured since Struts has been started for a few years. It has got var
how would I become expert in collection framework
Why uploading a web page is important? Describe in 2 - 3 lines? Through only uploading webpage we could place our data so that another can reach up to what we have loaded. Uplo
How much CPU time does an applet get? One of the few legitimate concerns about hostile applets is excessive use of CPU time. It is possible on a non-preemptively multitasking s
List the Parentheses used in Java language? As usual here's the output: % javac FahrToCelsius.java % java FahrToCelsius 0 -17.7778 20 -6.66667 40 4.44444 60 15.5556 80 26.6667
How to Drawing Images at Actual Size Once the image is loaded draw it in the paint() method by using the drawImage() method like this g.drawImage(img, x, y, io) img is a
i''m trying to make a code to make the simon says game and i can''t figure it outt
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