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What is Bullseye explain with an example?
This is a easy applet that draws a series of filled, concentric circles alternating red and white, instead a bullseye. import java.applet.*;import java.awt.*;
public class Bullseye extends Applet {
public void paint(Graphics g) { int appletHeight = this.getSize().height; int appletWidth = this.getSize().width;
for (int i=8; i >= 0; i--) { if ((i % 2) == 0) g.setColor(Color.red); else g.setColor(Color.white); // Center the rectangle int rectHeight = appletHeight*i/8; int rectWidth = appletWidth*i/8;
Consider the following Java definition of an integer list class. class IntegerList { private int[] list = new int[200]; private int size = 0; public boolean append(int value) {
What is constructor chaining and how is it achieved in Java? A child object constructor always first requires to construct its parent (which in turn calls its parent constructo
Why we Avoiding Short Circuits ? If you need all of your boolean expressions evaluated regardless of the truth value of each, then you can use & and | instead of && and ||. The
Explain the term Naming Packages in details? As you saw previously name space conflicts arise if two pieces of code declare the similar name. Java remains track of what belongs
YES. JSP technology is extensible by the development of custom actions, or tags, which are encapsulated in tag libraries. #question..
What limitations are placed on method overriding ?
Explain the term- Comparing Strings For comparing Strings never use == operator, use equals method of String class. - == operator compares addresses (shallow comparison) whi
Explain switch statement in java language? Switch statements are shorthands for a certain type of if statement. It is not common to see a stack of if statements all related
Give an Examples of Access Protection ? This is how the Car class would almost certainly be written in practice. Remember that all the fields are now declared private, and the
using polymorphism to write a program to display digital clock
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