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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."); }
}
explain jumps in loops and explain labelled loops
write a java program implementing multithreading concept in hotel management
JMS consumer is a JMS client that receives messages.
What is Initializing Fields ? Fields can (and often should) be initialized while they're declared, just like local variables. class Car { String licensePlate = ""; // e.g
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
I want android expert Project Description: I have too many android project pending anyone who will start work right away, with me will bid here , only bid if you can work rig
explain multiple inheritance in java ?.
Want simple functional website without any graphic work, like panel Project Description: I want a very simple look website .It should be like a panel. Few tab, contact form,
Give a example of Using toString() Methods ? Below is a version of CarTest in which uses toString() and System.out.println() instead of printing the fields in a straight line
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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