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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."); }
}
API consumer -This application should consume a third party API -You should use more than just one method of the API, I'd like to see at least 3 or 4 -Have some concept
Explain different way of using thread? The thread could be executed by using runnable interface or by inheriting from the Thread class. The former is more advantageous, 'cau
Specifications 1. readNumberOfEntries → This function will ask the user for a value greater than or equal to two. The function will keep asking values as long as the user prov
java code for finding area under curve y=f(x) between x=a and a=b integrate y=f(x) between the li,its of a and b. the area under a curve between two points can be found by doing a
The while statement define a loop that iterates as long as condition remains true. In the following instance the control waits till the value of a text field becomes "go":
Explain what is Naming Applets in java applets? You can give an applet a name by using the NAME attribute of the APPLET element. This allows communication between different app
Explain how several ways businesses monitor their employees? Systems are available in which monitor or most every key stroke which an employee forms on computer. Systems are av
Problem statement Part 1 Write an aspect that counts different kinds of method calls in a Java program. Your aspect should meet the following requirements: The aspect should ma
Describe Inner Classes in java? An inner class is a class whose body is described inside another class, referred to as the top-level class. For instance: public class Queue {
I want Android application with motion detection Project Description: We need to develop a simple application for android which uses motion detection libraries from open sour
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