what is the difference between java and j2ee... is that can
i work j2ee on net beans IDE 6.0
Answers were Sorted based on User's Feedback
Answer / kuldeep raaj sharma
There is no difference btween Java and J2EE. J2EE is Java 2
Enterprise Edition (Useful to make Enterprice Application
with RMI,NETWORKING,JDBC,JSP,SERVLET,APPLET,GUI,etc.)
Yes! It is posible to Use not only J2EE but J2SE(Standard
Edition or Core Java) J2ME (Java 2 Micro Edition for
Programming for Micro JVM (KVM) Development for Devices
such as PDAs, Mobiles, etc)
kuldeepraaj@gmail.com
kuldeepraaj@ymail.com
kuldeepraaj@timescalling.com
| Is This Answer Correct ? | 9 Yes | 2 No |
Answer / mkj
Java for core application programming , and j2ee to
entrprice application like web module,EJB,web servises etc..
netbean tool supports for all java ,web ,web service
and plugin and others .. developents
| Is This Answer Correct ? | 7 Yes | 0 No |
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3.2 Consider the following class: public class Point { protected int x, y; public Point(int xx, int yy) { x = xx; y = yy; } public Point() { this(0, 0); } public int getx() { return x; } public int gety() { return y; } public String toString() { return "("+x+", "+y+")"; } } Say you wanted to define a rectangle class that stored its top left corner and its height and width as fields. 3.2.1 Why would it be wrong to make Rectangle inherit from Point (where in fact it would inherit the x and y coordinates for its top left corner and you could just add the height and width as additional fields)? (1) 8 Now consider the following skeleton of the Rectangle class: public class Rectangle { private Point topLeft; private int height, width; public Rectangle(Point tl, int h, int w) { topLeft = tl; height = h; width = w; } public Rectangle() { this(new Point(), 0, 0); } // methods come here } 3.2.2 Explain the no-argument constructor of the Rectangle class given above. 3.2.3 Write methods for the Rectangle class to do the following: • a toString() method that returns a string of the format "top left = (x, y); height = h; width = w " where x, y, h and w are the appropriate integer values. • an above() method that tests whether one rectangle is completely above another (i.e. all y values of the one rectangle are greater than all y values of the other). For example, with the following declarations Rectangle r1 = new Rectangle(); Rectangle r2 = new Rectangle(new Point(2,2), 1, 4); the expression r2.above(r1) should give true, and r2.above (r2) should give false. (You can assume that the height of a rectangle is never negative.) (2) (5)
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