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i mean double buffer the graphics........to be precise

hi please someone help me!!! i am writing a program for connect the dots game..... i am stuck on the mouse dragging. if you click on a dot and drag it to the destination you want it to be. i dont know how to do this. i am not using Point class. also how do I double buffer????? please...

hi thanx but i kind of changed my program to panel: import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Calculator extends JFrame implements ActionListener { public static final int WIDTH = 400; public static final int HEIGHT = 400; private JTextField theText...

i did put another post out but i did not know how to delte this.....thanx

I'm trying to write a calculator java applet, so far i've declared the buttons and terxtfield and i've intialized it also, what I don't know how to do is add the numbers, subtract, multiply, divide, square root it, add to memory and so forth when the user presses the buttons... Can any1 help...

hi... i need help in this : A program that produces a Calculator with GUI. It should be similar in functionality to the standard calculator( not the scientific ) available under Microsoft Windows's accessories. Do not include "edit", "view", "help&quot...

hi everybody....thanx for the help....i got the program the way i needed it to be....thanks for the help... :)

k thank-you but the only problem is that the Employee data has to be in arrays...ex: Employee e = new Employee[20]; and each element has to be type Employee and then the methods : add, delte,modify..... does this make sense?? thanks again :)

ok sorry let me give you the whole discription of the program: The program is about a university that maintains data about its employees in various department. A department can have at most 20 employees. For each employee following data are to be stored: 1. Social Security number ( a unique...

yes please help me.....thank-you.

hi thanx for helping but one problem in this program i am not using hashtables or importing anything.....you are right i dont need 4-dimensional arrays i changed it to: Employee[] e = new Employee[20]; but i do not know how i can delete.....i know that i can replace each element with the next...

hi i need help!!!! i am writing a program that has a class Employee that is derived from a class Person.....i have another class EmployeeData and in this class: 1. has one array of max 20 elements. Each element is an object of type Employee. This class should have methods for adding an...

hi thank-you...but i already figured out how to do the program...but thanx for your help.

hi i need help in this program that i am working on: Write a Temperature class that has two data members one is temperature value ( double ) and the other is a type (char ) indicating 'F' or 'f' for the Fahrenheit scale or 'C' or 'c' for the Celsius scale. Your class should have only the...

i am writing a program and i need help with it please. the program is: write a simple calculator. each valid command for this calculator should consist of an operation followed by an operand. this is an accumulator-based calculator, meaning, each arithmetic operator only takes a single number...

i am writing a program and i need help with it. the program is : write a program that will prompt the user for an integer. the program should then print the binary conversion of the integer on the screen. It should then enter a loop by asking the user if he wants to continue or not. The...

I need help with the program I am doing. I am writing a program that takes a one-line sentence as input and then outputs the following response: if the sentence ends with a question mark and the input contains even number of characters, then output the word "yes". If the sentence ends...