[Solved] What is this parameter used for?

Regardless of what I input in the parameter for this, nothing changes?? It’s because the filename argument is not used anywhere in the ReadNumberFile(String filename) method.. As it seems, this parameter (filename) represents the name (or maybe the fully-qualified path) of a file that should be read. If that’s the case, you should change this … Read more

[Solved] File not found in Java [duplicate]

If it is a regular file outside a .jar, you are using a relative path. That means, the path to the file is formed from the path where you are calling the file from + the relative path. To make it work, you should invoke java within src folder solved File not found in Java … Read more

[Solved] bank, 4 atm machine input txt files, syncing information between them with semaphores

I know it’s tagged c, but since you spammed it in Lounge<C++>, let me humor you with C++: Live On Coliru #include <algorithm> #include <functional> #include <atomic> #include <fstream> #include <iostream> #include <list> #include <mutex> #include <sstream> #include <string> #include <thread> #include <vector> // not thread-aware: struct Bank { struct Account { int id; int … Read more

[Solved] How to store a data continuously in a file? [closed]

FileOutputStream fos = null; String FILENAME = “Your File Name”; fos = openFileOutput(FILENAME, Context.MODE_PRIVATE); // write your bytes using fos fos.write(Bytes to be saved); fos.close(); // to read a file FileInputStream fis = null; fis = youractivity.openFileInput(FILENAME); StringBuilder builer = new StringBuilder(“”); DataInputStream dis = new DataInputStream(fis); String line = null; while((line=dis.readLine()) != null) { … Read more

[Solved] saving file to folder [closed]

It looks like you are using a variable called destination in this line webClient.DownloadFile(“http://i.imgur.com/” + picture, destination + picture); however you have not declared that variable and assigned it a value inside the buttonStart_Click method. You have a variable called destination declared in the buttonSaveTo_Click method, if this is the value you want to use … Read more

[Solved] Get specific information from text file

You could use the split function of a string. Therefore you read in the complete line into a string variable, e.g. line, and then use line.split(” “) with a space as argument. This will return an array containing both values, of which you can proceed with the second. For further information: Java String.split() solved Get … Read more

[Solved] Taking input of a graph from text file in java till the end of file [closed]

a fast google search popped up this example https://www.mkyong.com/java8/java-8-stream-read-a-file-line-by-line/. for each line you get a String. split the string on whitespace: String[] lineArr = line.split(” “); Then use the 3 values in the array to create your stuff. easy peasy 🙂 0 solved Taking input of a graph from text file in java till the … Read more