Cut / Copy / Paste / Delete And Select All Are Not Working
Mar 22, 2014
I am quite new to Java programming. I'm actually taking a class and I have an assignment due tonight. The program below compiles and functions correctly for the most part. It is supposed to be a simple GUI Text Editor with Edit and Format functions. Of the functions under the "Edit" menu, only word count actually works. Cut, copy, paste, delete, and select all are not working.
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import java.util.StringTokenizer;
import java.util.regex.Pattern;
[code]....
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Mar 9, 2014
I'm trying to copy and paste(highlight) my code into the forums thread, but am still not sure on how to do it. I've looked in this link: Announcements - What's Wrong With My Code?But still, I am still not sure on where to put the highlight info. Also, I'm using the latest version of Eclipse.
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May 26, 2008
I need to make a popup menu contains copy and paste in a swing to copy or paste from jlabel or jtextbox , but i dont know how?
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Nov 19, 2014
This code works perfectly except for option C and E. Why it just returns me to the main menu?
public class BasicStatisticsCalculator {
static final int NUMBER_OF_ELEMENTS=6;
static int[] numbers=new int[NUMBER_OF_ELEMENTS];
[code]....
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May 29, 2014
leaveQ method does not work..To see the other files related to these code click here:(Its a dropbox location) URL....Java Code:
public class CustomerQ {
private int MaxLength;
private int totalCustomers;//assuming #of customers served
int Qlength;
Customer cus;
LinkedList4Q cus4Q;
[code]....
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Jan 13, 2015
import java.io.FileInputStream;
import java.io.IOException;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
[Code]...
This is the excel sheet which is to be sorted and here I am stuck because I need to search "Type" if the country column from excel is uk or us.I am new to java and apache poi . I am stuck here . I have written the above code and everytime it gives me "single" as output and keep on searching that in google.
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Apr 10, 2014
I am developing an application to share my client screen with server, it is working well on swing. But i want to develop as web application, i am trying to using applet. But i am facing the fallowing problem..,
1) The Applet screen also open and project also running well on server mechine. But unable to see the client screen on the server.
2) The problem may be to display the JDesktopPane or JInternalFrame.
My working Server Code extends withe JFrame..Java Code:
package remoteserver;
import java.awt.BorderLayout;
import java.awt.Container;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import javax.swing.JApplet;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
[code]....
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Mar 29, 2015
I have two arrays
private ReservedBook[] reservedBooks;
private LibrarySystem[] libraryBooks;
The library array has two books and I want to copy one of them to the reserved books when you type in the ISBN
public void borrowBook(String ISBN)
{
int i = 0;
if(numberOfBooks < MAX_BOOKS-1)
{
if(libraryBooks[i].getBookISBN().equals(ISBN))
{
for(i=0;i<MAX_BOOKS-1;i++)
reservedBooks[i] = libraryBooks[i];
}
else System.out.println("There is no such book");
}
else System.out.println("You have reached the maximum number of allowed books");
}
It shows me error: incompatible types - LibrarySystem cannot be converted into ReservedBook. How can I fix it?
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Aug 6, 2014
I am trying to copy all odd value of an array in one array and all even value in another array
this what i have try to so far
private static void arrayOperation(int[] a) {
// TODO Auto-generated method stub
int n=a.length;
int odd_value[] = {};
[Code].....
But i am getting error
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Aug 1, 2014
I'm trying to copy a exe file from one location to another. It seems simple, but I have failed to find anything about it besides coping the contents in txt files, but that does nothing for executable.
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Jun 8, 2014
I read and then copy files into a subfolder, and I need to rename the file names by adding the timestamp to the file name, for example like: "filename1_25.06.14_15:00:00.txt". How can I do that? Here is what I have:
public class Table_data {
static String files = null;
static List<O> l= new ArrayList<O>();
[Code]....
is it right what i tryed, because i get nothing with timestamp in file after running this.
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Jun 14, 2014
Disaster has struck some of ACME's redundant data centers. The administrators have managed to restore backups, but some data sets are still missing from some data centers. Fortunately, every data set can be found at least once in one or more of the data centers. However, before ACME can resume normal operations, it needs to ensure that each data center has a copy of every data set.Your goal is to ACME resume normal operations by writing a program to synchronize data sets between data centers using as few copies as possible.
The first line of input will contain an integer between 0 and 999999 inclusive, representing the number of data centers.Following that will be one line of input for each data center. Each line will contain an integer from 0 to 299 representing the number of data sets at that data center, followed by a space and space-separated list of data set ids currently present at that data center. Data set ids are each an integer between 1 and 999999, inclusive. Each line will be at most 999 characters long.Data set ids are not necessarily consecutive. The list of data sets will not be in any particular order.
Output:The program must output an optimal data set copy strategy to ensure that every data center has a copy of every data set. Output one line for every copy instruction.A copy instruction is of the form <data-set-id> <from> <to>, where <data-set-id> is the data set id, <from> is the index of the data center the data set will be copied from (1 = the first data center), and <to> is the index of the data center to copy the data set to.When there are no more copy instructions, the program must output the word "done" on a line by itself. There is often more than one correct output with minimal number of operations for a given input, and any output that satisfies the requirements is valid.
Example 1:
----------
Input:
4
3 1 3 4
3 1 2 3
2 1 3
3 1 4 2
One Possible Correct Output:
2 2 1
4 1 2
2 2 3
4 4 3
3 1 4
done
Example 2:
----------
Input:
2
2 1 2
2 2 1
Output:
done
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Mar 26, 2015
I have encountered a very tricky spot in a project that i am working on. I must have a JTable to programmatically select the very last row in an AbstractTableModel. I have tried every thing but nothing works so far.
The problem is is that the JTable only scrolls down to the second last table row in the model? What am i missing?
//Show the very last row in a tablemodel object using the method updateTableRows
//after an "insert action event" occurred
public void updateViewMode(String name,
java.util.List<NetworkSwitch> list,
boolean flag) {
CableTableModel model = cableTable.getCableModel();
[code]....
What happens is that the only row that gets selected is the second last row of the total rows iny AbstractTableModel object, "CableTableModel"
What am i missing?
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Sep 24, 2014
I build a select tag string and use JSTL to display this string on the JSP page.
Is there an easy way to manipulate this string to remove one of the option pairs?
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Oct 1, 2014
What I need to do is ask the user to input some text and then turn it into pig latin. I am confused on how to select each word from the string to determine if it ends in a way or ay. I am to assume that the letters are all lowercase and the text ends with a period.
import java.util.Scanner;
public class Trial
{
public static void main(String [ ] args)
{
Scanner input = new Scanner(System.in);
[code]....
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Mar 14, 2014
I have for values in drop down:
<SELECT name = "productCodeDefault" id="productCodeDefault" value="<c:out value ='${ProductDefBean.productCodeDefault}'/>" >
<OPTION value="" ></OPTION>
<OPTION value="a" >A1</OPTION>
<OPTION value="b" >B1</OPTION>
<OPTION value="c" >C1</OPTION>
<OPTION value="d" >D1</OPTION>
</SELECT>
When I am getting value = "a" from ProductDefBean, In the dropdown 'A1' should get selected. This is not happening. What I need to modify?
Note** When I am doing view Source of my JSP, I am getting value='a'
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Mar 21, 2014
how to do a deep copy of objects that contain references. I am specifically wanting to make a deep copy of a tree. Logically, each tree node contain references to its children nodes. Here is the basics of my node class
public class BSTNode implements Comparable, Serializable {
private String token;
private int count;
private BSTNode leftChild;
private BSTNode rightChild;
I know I must only be making a shallow copy because when I make a copy of tree1, called tree2, and edit tree1 the edits also appear on tree2. Here is my copy method within my BSTNode class
public BSTNode copy()
{
BSTNode obj = null;
try{
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bos);
out.writeObject(this);
out.flush();
out.close();
[code]....
When I wish to copy the entire tree, I call that above copy method from my BSTree class using the methods below. (I have 2 methods because this is a homework assignment that requires a copy method that calls a preorder traversal method)
public BSTNode copy()
{
BSTNode copiedTreeRoot = new BSTNode();
return copyTree(copiedTreeRoot,root);
[code]....
And further along when I make changes to tree1, tree 2 also changes. I have no clue what I'm doing wrong. I believe it must be somewhere in how I return the new tree or something.I tried this edit to my copy method, but it made no difference.
public BSTNode copy() {
BSTNode obj = null;
try{
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bos);
out.writeObject(this);
[code].....
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Apr 16, 2014
If I have a ComboBox and I want to copy the selected value to textfield. How can I do it?
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Dec 4, 2014
if there was a way to copy specific array info into a temp array with more concise code?
This is the code I have for instance:
tempList[0] = myCube.orange[2];
tempList[1] = myCube.orange[5];
tempList[2] = myCube.orange[8];
tempList[3] = myCube.blue[6];
tempList[4] = myCube.blue[7];
tempList[5] = myCube.blue[8];
But isn't there any way I could just condense it to be like:
tempList[0,1,2] = myCube.orange[2,5,8];
It would save me from 72 lines of code down to 24 if I could rock it all on one line.
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Apr 28, 2015
I want to know know to copy a rectangle on my jframe and paste it in another location on the same jframe.
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May 29, 2014
package com.practice;
public class Car {
private String name; //name of the car
private String modelName; //Name of the model
private int year; //The year car was made in
private int speed=0;
[Code] ...
It wont let me copy it into a array is there any solution to this.
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Dec 8, 2014
How to copy the target of a link? I am using Apache's FileUtils class. I have tried the following and it only copies the link, not the target:
import org.apache.commons.io.FileUtils;
import java.io.File;
public class Copier {
public static void main(String[] args) {
File sourceFile = new File("C:/Demo/sourceDir/a_link.lnk");
File destinationDirectory = new File("C:/Demo/destinationDirectory");
FileUtils.copyFileToDirectory(sourceFile, destinationDirectory);
}
}
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Apr 27, 2015
I have a text file which contains to integer values I need to retrieve for each item (total of 56 items in the file). One is an item number, the other the weight ("Item: " + number + "Weight: " + weight). I am trying to build an array list that will add each set of data to it. I know that when I add the item array to the arraylist it is storing the array variable and not its contents, so is there a way to easily copy that data array to the array list?
ArrayList newInventory = new ArrayList();
int[] item = new int[2];
while(sc.hasNext()) {
String itemVal = br.readLine();
if(sc.hasNextInt()) {
item.add(sc.nextInt());
}
}
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Jul 12, 2014
I want to know which Java class and method that can be called in order to copy the content of a flash drive(usb) without opening the flash drive. If possible also to know the prodecure on how to do it. I've tried some overloaded methods of copy() from the java.nio package.
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Jun 4, 2014
I want my function to return an array, with the array holding just the values of data that appear in good.
This is what should be returned:
{3, 5, 3, 2, 3, 3}
What is currently being returned:
{0, 3, 5, 3}
I didn't want to miss any numbers, so I decided to iterate through j for the "good" array, and then just i for the one that I was looking for matching numbers. Perhaps part of the problem is that if the condition is met, it goes to the next iteration of the loop. I'm not sure.
public class Arrays2 {
public static void main(String args[]){
int [] data = {8, 3, 5, 3, 7, 2, 8, 3, 3 };
int [] good = {5, 2, 3, 2};
int [] result = f2(data, good);
for (int i = 0; i < result.length; i++){
[Code] ....
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Dec 17, 2014
I'm working on a simple site for my friend, and he asked me to link to his other site. I need to have the link to a specific search. For example, if I search for "Heathrow," I need to be able to link a button on the other site so that it can be clicked and directed to the search results on this page. Problem is that this is apparently all Java (which I know nothing of) and how to just copy a link to the results page.
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