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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."); }
}
The Spring container is able to autowire relationships among collaborating beans. This means that it is possible to automatically let Spring resolve collaborators (other beans) for
Differentiate uni-Processor OS from Multi-Processor OS? Uni-processor OS : Uni-processor OS'es is designed to schedule tasks on a single uPs just whereas Multiprocessor O
In a RMI Client Program, what are the excpetions which may have to handled Ans) a. MalFormedURLException b. NotBoundException c. RemoteException
THE FOLLOWING PROGRAM SHOULD BE JAVA IN ECLIPSE Minimal Spanning Tree Decreasing Edge Dismissal Reverse-delete algorithm. Develop an implementation that computes the MST as fol
How to Creating Arrays in java? Declaring arrays merely says what type of values the array will hold. It does not form them. Java arrays are objects, and such as any other obje
Explain the Execute phase of Java Program Development Finally in phase computer, under the control of its CPU, interprets program one bytecode at a time. Hence performing
i don''t need any code i need analysis and design only -i need 4 use cases - description - activity diagram -sequence diagram -class diagram - data base diagram
how cani study java
By pressing ‘6’ (i.e. key’6’ one time) on the keypad, the mobile shows ‘m’ on display screen in write text message area
Binding is a method of associating or registering a name for a remote object that can be used at a later time to look up that remote object. A remote object can be linked with a na
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