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Write a program using local variable
Public void someMethod( ) {
int x; //local variable
System.out.println(x); // compile time error
}
- Constructor
- Doesn't have a return type
- Same name as class name
- No initialization list
- JVM provides a zero argument (default) constructor only if a class doesn't define it's own constructor
- Destructors
- Aren't required in java class since memory management is the responsibility of JVM.
Java output and input is described in terms of an abstract concept named a " stream ", which is a sequence of data. There are 2 types of streams. 1. Byte streams (8 bit
What is meant by semantic error? Occur although a statement executes and has an effect not intended by the programmer and Frequently times occur just in unusual & infrequent ci
Describe Exception Handling in JAVA
How to Scaling Images in java applet? You can scale an image within a particular rectangle using this version of the drawImage() method: public boolean drawImage(Image img,
What do mean by synchronized methods and synchronized statements ?
Object-to-Relational (O/R) mapping : There are various ways to persist data and the persistence layer is one of the most important layers in any application development. O/R ma
how to read data in a link list?
What are three ways in which a thread can enter the waiting state ?
Objectives: socket programming in Java: TCP Exercises: Goal: In this project we will develop a Web server in two steps. In the end, you will have built a multi-threaded Web ser
a. Write an application for a video store. Place the names of 10 of your favorite movies in a combo box. Let the user select a movie to rent. Let the user select a movie to rent. D
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