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8 Posted Topics
 | i have created an app which reads lines from a .txt file, splits the line at a " " and then stores them in a ArrayList which then gets put in a JTable. i created 27 columns and named them... now i want to add an extra column on the …  |
| | i think i have converted my application to an applet..... it use to read lines from a .txt file i have on my hard drive but now i want it to read a .txt file from a URL: [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.JButton.*; import javax.swing.event.ListSelectionEvent; import java.net.*; import java.io.*; … |
| | what im having trouble with is making an applet which has animates like the matrix code.. lines come down at random positions etc.. my lecturer said that it only takes 20 lines of code and is very simple. he gave us this info as a hint: [CODE]Use the random class! … |
| | im having problem setting values into a String array.. it must be with a setter method (yes this is homework). i have created a Person class which u can set name, age, gender and then i created a Teacher class which extends person and further allows you to set ( … |
| | this is part of my app where i ask a user if they want to do something. they need to either input a "y" or a "n" for it to do something and if they input something else like a j, 1, 2 , ; , " any other character … |
| | problem i'm having is getSelectedRows() and getSelectedColumns().... they dont return anything when i select the rows. am i doing it wrong? i need it so when the button is pressed to output the selected strings[] [CODE]import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.*; import javax.swing.table.AbstractTableModel; import java.io.*; import …  |
| | i have a mydata.txt file with this in it: [ICODE]B.Friedel 38 LRC usa 20 1 1 1 21 410 300 300 300 18 0 1673 0 76 26 0 0 0 0 0 0 0 0 M.Fulop 26 LRC hun 17 1 1 1 26 308 300 300 300 1 … |
| | Hi, i am having trouble with an assignment. i need to create an array, store numbers in the array... sqaure, cube and square root those numbers individually using different methods. display the resuts with a dialog box. after that i need to find the sum of the numbers in the … |
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