Viewing Jar File Contents?

Jan 17, 2014

I have a jar file. I need to open and see the source code in the jar file to override some of the style related code like primefaces-3.4 related

org.primefaces.component.behavior.printer.PrinterBehavior.getScript()

How do I see jar content.

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Viewing Website File Tree

Apr 25, 2014

This is probably more of a web-based question. I have a basic web crawler I wrote with Java (using JSoup) which crawls through our repositories and stuff to locate the paths to certain snapshots and whatnot. It crawls through using the file tree which gets exposed when you try to go to a directory in a URL.

The problem I am having is that some of the directories contain index files, which means the connection to the directory redirects from the file tree to the index file. Any way to prevent that redirection?

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Viewing Java File As TXT File

Jan 25, 2015

I have a java assignment concerning formatting. I know I have no syntax errors but that doesn't mean that my formatting is correct and I can't figure out how to create a .txt file and view my code in notepad just to verify the formatting.

public class Assignment1b {
public static void main (String[] args) {
String[] header = {"Wilson", "Office", "Supply", "Inventory", "Listing"};
String[] columnhead = {"Number", "Description", "Price", "Qty", "Net Price"};
String[] line1 = {"AB35", "Swingline Stapler", "19.95", "125", "2493.75"};
String[] line2 = {"CP05", "Canon Copier", "329.65", "175", "57,688.75"};

[Code] ....

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File I/O - How To Process Contents From Input File

Mar 22, 2014

So my assignment is to read these values from an input file which I previously created. The 10 values represent miles traveled and I convert them using some formula my prof gave me to get the total cost, and output both values to an output file.

My programming question is the first number on the input file isnt a mileage value its the number 10, which is the number of values to be processed, which we're supposed to use in order to control a for or while loop which we'll use to process the contents of the input file. How would I create a while or for loop and get it to skip the first value of the input file?

We're not allowed to use arrays for this assignment.

Also here's my code so far, and it says its not being able to find the file, I made sure the file name is exactly as saved, and its saved in the same directory as the java class that i created for this assignment so I don't see what the problem could be?

Here's my the class with the main method

import java.util.*;
import java.io.*;
 public class QudratullahMommandi_3_07 {
 public static void main (String[]args)

[Code] ....

This is the error message I get

----jGRASP exec: javac -g QudratullahMommandi_3_07.java

QudratullahMommandi_3_07.java:17: error: unreported exception FileNotFoundException; must be caught or declared to be thrown
Scanner input = new Scanner(inputSource);
^
1 error

----jGRASP wedge2: exit code for process is 1.
----jGRASP: operation complete.

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Validating The Contents Of A File?

Oct 21, 2014

I have the assignment of making an application that reads a file and then validates the contents to create a statistical report.

I have managed to have the application read the contents but im completely puzzled on how the validating works.

Is there coding in the file that put the numbers and words into the correct data types or is that also done in the application?

The application is to read the file of rugby scores and the produce the report with the amount of goals scored.

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How To View Contents Of ISO File In Java

Jul 15, 2014

Any method of viewing the contents of an .ISO in java. my searches so far have said to use the java api loopy but I cant find hardly any information on it and i have been unable to use it correctly so far. If there is no way to just view the .ISO file contents then extracting its contents and then viewing them would also be fine how to do that.

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Showing Contents Of File In Texteditor

Jul 16, 2014

I have query regarding showing contents of file in texteditor.

I am working on web app where user can open a fille from drop down list of files .

when user will select a particular file and open it , then file should be open in editor to modify its contents in web app.

can u tell me how can i do this, without applets.

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How To View Contents Of ISO File In Java

Jul 15, 2014

Any method of viewing the contents of an .ISO in java. my searches so far have said to use the java api loopy but I cant find hardly any information on it and i have been unable to use it correctly so far. If there is no way to just view the .ISO file contents then extracting its contents and then viewing them would also be fine ....

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Swing/AWT/SWT :: Writing Out Contents Of JFrame To A File?

Aug 20, 2014

I obtained the following code online which purports to get the content of the JFrame:

public BufferedImage getScreenShot(
Component component) {
BufferedImage image = new BufferedImage(
winWidth,

[Code] .....

Then I write out the image with the following code:

BufferedImage screenShot = getScreenShot(c);
try{
File outputfile = new File(

[Code] .....

When I double-click on the resulting file, all the images show up as black rectangles in Windows Photo Viewer. Yet the associated buffered image displays correctly in the window. I've tried 'jpg, 'png', and 'bmp' extensions, with matching formats in the write. I am using Win-7 64-bit. and jdk8 with matching jre.

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Swing/AWT/SWT :: How To Generate PDF File Of The Contents In AWT Frame

Sep 25, 2014

I have been doing a project of ERP solution using JAVA AWT FRAMES and MYSQL(for database purpose). Here there is an ADMIN portion, who has the authority to make PAYROLLS of individual employees. There is a Frame where individual employee details will be shown(like basic salary, HRA, no.of leaves, other allowances...etc) in text boxes.

Now what i want is to make a PDF file of that payroll, so that I can make a hardcopy of it. The idea is just like anyother online form fill-up, where at the end you submit and save (or export) as a PDF (or text file) document. But I mention that it is a stanalone project, not an online one (i think it doesn't matter though).

So the basic idea is how to make a PDF file by extracting the text field or choice contents from a frame in JAVA AWT.

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How To Compare Contents Of Text Field And DAT File

Sep 30, 2014

So basically I have this alpha.dat file which stores data submitted when I execute the alpha class and here I have a AWT textfield which reads a password from user. I have another class called beta and I have another AWT textfield in it which also reads the same password from user. How do I compare both passwords?(I know I need both classes to refer to alpha.dat but how do I compare both textfields in different classes)

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How Java Finds Jar Contents Imported In A Source File

Feb 10, 2015

how java imports libraries from a jar file inside a source. Let's say I have the following code on Something.java file,

import com.mycomanyA.*;
import com.mycomanyB.*;
public class Something{
public static void main(String ... args){
// code goes here...
}
}

And the Something.java is inside the following structure...

A.jar
com/
mycompanyA/
A.class
Another.class
B.jar
com/
mycompanyB/
B.class
neededImage.gif
bin-folder/
org/
apache/
Something.java

To compile this code(Something.java) from command line I want to use the following command,

javac org/apache/Something.class

And for the compilation to be successful, I'll have to be just above bin-folder because...

- > Only then my default class path will be (.) and java would automatically include A.jar and B.jar(the other way is to add the jar files using -cp argument, which I want to avoid in this scenario)

- > And for the import org.mycompanyX to work I'll have to be in the (.) directory.

Are my assumptions correct about how java find jar contents imported in a source file?

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Open A File And Store Contents Into A Two Dimensional Array

Feb 11, 2014

So I am trying to open a file and store the contents into a two dimensional array. I seem to have no problem using this same basic code to read the file and output it. But when I try to change it so that all the data is stored into the array, it does not work.

Java Code:

public void convertFile()
{
String filePath = ("C:UsersBradDownloadsFB1.csv");
String [][] rowCol = new String [429][6];
try
{
BufferedReader br = new BufferedReader(new FileReader(filePath));
StringTokenizer st = null;
System.out.println("Your file is being converted to an array. This may take several minutes.");

[code]....

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Read CSV File And Store Contents On Column Basis

Sep 25, 2014

I want to read this csv file and store contents on column basis; as date (single array) for all dates. open, high, low and close and be able to manipulate individual elements of the array such as Sum += close[i];

public void pratice() throws Exception {
// Create a File instance
BufferedReader br=new BufferedReader(new FileReader("gtk.csv"));
content = new String[1000];
while(content !=null) {
content[++count] = br.readLine();

[Code] .....

the file looks like this

date Open high low close

12-12-2011 15.00 15.40 14.5 15.2

11-12-2011 15.02 15.70 14.9 15.00

10-12-2011 14.70 16.00 14.70 15.02

...

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Reading Contents Of Several TXT Files - Output File Is Blank

May 4, 2015

In the program below I'm trying to read the contents of several .txt files in the same diretory and create a new .txt file containing all of the data from each file. My output is generated in the console however my .text file is blank.

public static void main(String[] args) throws IOException {
  String target_dir = "C:Files";
  String output = "C:Filesoutput.txt";
  File dir = new File(target_dir);
  File[] files = dir.listFiles();
 
[Code] .....

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JSP :: Viewing / Inserting And Updating Records In Same Page

Dec 10, 2014

I need to view, update and insert records through a jsp page.example: Employee details..If we give an admission number of an employee, and if the admission number exists in the database then the details like Name, DOB, DOR, Address, Contact info should be displayed in the appropriate fields.(simply a select query in SQL) . The fields are editable and if we need to make any changes we can update in that details itself. If admission number doesn't exists means we can insert all the details except the admission number and a temporary admission number is generated and displayed. The problem with this is i can't able to revert it to the same page.

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Read XML File And Delete Its Contents - Boolean Doesn't Appear To Work

Oct 17, 2014

I'm trying to read a xml file and delete it's contents. I do this by reading the file,writing it to a temp and then overwriting the original with the temp by renaming it

//overwrite original xml file with new file
boolean successful = outputFile.renameTo(inputFile);
System.out.println("success");

It does say the value of the local variable is not used however. I've debugged to ensure it hits the code it always prints out the line after too.It just does not overwrite my original xml file with the temp one.

It's had votes on stack so I thought that would of been reputableStack - overwrite but the second one got voted as a good answer. But still I would like to know if my code can work or not.

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Display Contents Of File In Reverse Order - Output To Console

Jun 24, 2014

Create a class that allows the user to select a file and output the contents of the file to the console. Recommend using a text file to display, java files are text files. You may want to put this code in a method to allow you to complete the remainder of this assignment without overwriting your code.

- You should ask the user to enter the full path to your file to make certain you are processing the correct file.

- Modify your code/add a method to display the contents of the file in reverse order. You do not need to reverse the characters on each line but simply output the lines of the file in reverse order.

Hint: read the content of the file into an ArrayList and then traverse the ArrayList.

this is what i go so far.

package classActivity;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;
public class Select
{
public static String enterFilePath()

[Code] ....

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Program Should Read File Contents And Store Information In Array Of Golfers

Dec 3, 2014

The main method will drive your program by doing the following:

-Create an array to hold all the individual golfers and par scores (type is Golfer[ ]).
-Prompt the user for a data file containing the Par scores and the player names and score. The format of the input file should look like

Par, 3, 4, 4, 3, 4, 3, 5, 3, 4
George, 3, 3, 4, 3, 4, 2, 3, 3, 4
Paul, 4, 5, 4, 3, 6, 3, 4, 3, 5
Ringo, 3, 3, 4, 3, 4, 2, 4, 3, 4
John, 4, 4, 4, 3, 4, 2, 5, 3, 4

Your program should read the file contents and store the information in your array of Golfers.

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Output Contents Of Input File In Alphabetical Order One Word Per Line

Jun 22, 2014

I am having a lot of trouble with this lab. basically I have to make a text processor to read in code put it into a file and output the contents of the input file in alphabetical order one word per line. I have to reference the string varaibles input_filename and output_filename.

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;
import java.io.File;
public class TextProcessor {

[Code] ....

these are the guidelines to said lab:

1. In the main method define two Strings called input_filename and output_filename. I will be setting these Strings to my own file names for testing your code, so make sure you get these variable names correct, and that you use them properly in the following steps.
2. Read in the text contents of the file referenced by input_filename.
3. Split the contents of the input text into separate tokens, using whitespace as a delimiter.
4. Lower case the tokens.
5. OPTIONAL: remove punctuation
6. Alphabetize the tokens.
7. Using output_filename, write the alphabetized tokens to an output file, one token per line.
8. Be sure to close file streams - no resource leaks!
9. Use methods to separate functionality in your program where possible

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Servlets :: How To Obtain Contents Of Td

Mar 19, 2014

i have created a table in jsp, i want to obtain the contents of a td at the servlet.For example, here's one td of table:

<td align="center" title="tdun" id="cat"> <%= categoryname %> </td>

I want to get this value in my servlet .

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JTable Height Should Fit To The Contents

Jul 24, 2014

I have a jTable with one or 40 rows in it.

The problem is, also when I have only one row in my jTable, the size of the jTable is a little more bigger than 40 rows.

How can I say the jTable, that she should scale to the size of the content?

I don`t want that the jTable is bigger than the content. For example the picture below:

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Print Contents Of Arraylist In Object

Nov 7, 2014

i have a class that creates an object made of 2 strings and an arraylist

class Users{
private String ip;
private String userName;
private ArrayList <String>cons=new ArrayList();
Users(String i_p,String un,ArrayList con){//construc

[Code] .....

This object then gets returned to an arraylist of these objects

static ArrayList<Users>users=new ArrayList();

My question is how can i then get the arraylist from this object to print its contents?

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JSP :: Displaying Hindi Contents In Servlet?

Jul 9, 2014

I want to display hindi contents in servlet but it is displaying in following format-

निवासी. मैं ऊपर नाम साक्षी, सत्यनिष् ा वाणी है और नीचे के रूप में घोषित:

I have tried to change pageEncoding, characterEncoding and contentType in both jsp and servlet but i haven't got success.

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Printing Contents Of Linked List

Feb 17, 2015

I'm trying to print the contents of my linked list. I'm using nodes and within those nodes it hold String data. So i want to print out the data within the nodes. Whenever i do

System.out.println(node1.data),

it prints perfectly. But i'm trying to use a method where it would loop through the list and print out the data for every node in it. when i run my print method i get results such as

Node@15db9742
Node@6d06d69c
Node@7852e922.

Here is my print method i created

Java Code:

public void print(){
Node<E> current = head;
while (current.next != null){
System.out.println(current.data);
current = current.next;
}
} mh_sh_highlight_all('java');

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How To Print Contents Of Java Bean

Mar 24, 2015

I'm trying to debug a program and I need to see the values in a Bean. I tried

" system.out.println("OrderManager.java: packagePricing, packBean= "+packBean);"

but that just gives me

"OrderManager.java: packagePricing, packBean=com.voxportal.web.device.PackageBean@73dde7ae"

which I think is a reference to the bean but not the actual contents of the Bean.

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