runtime - read the output from java exec - Stack Overflow
Jul 4, 2012 · Process pr = Runtime.getRuntime().exec("java -version"); BufferedReader in = new BufferedReader(new InputStreamReader(pr.getInputStream())); String line; while ((line = …
accessing files created by java runtime process - Stack Overflow
Mar 24, 2011 · String command = "cmd /C start "+fileName+".bat"; Runtime rt = Runtime.getRuntime(); Process pr = rt.exec(command, null, new File(currWD)); int exitValue = …
java - How to read a file created at runtime? - Stack Overflow
Nov 13, 2016 · You're trying to read your file using a classloader by invoking the getClass().getResource(...) methods rather than reading the file using classes that access the …
How to Read a File in Java - Baeldung
Jan 8, 2024 · In this tutorial, we’ll explore different ways to read from a File in Java. First, we’ll learn how to load a file from the classpath, a URL, or from a JAR file using standard Java …
Java Runtime exec() Method with Examples - GeeksforGeeks
Oct 23, 2023 · Runtime Object: The exec () method belongs to the Runtime class, which represents the runtime environment of the application. You can obtain a Runtime object using …
Running a Program and Capturing Its Output - Java Cookbook …
Use the Process object’s getInputStream( ); read and copy the contents to System.out or wherever you want them.
Different ways of Reading a text file in Java - GeeksforGeeks
Jan 4, 2025 · There are several ways to read a plain text file in Java e.g. you can use FileReader, BufferedReader, or Scanner to read a text file. Every utility provides something special e.g. …
How to Output the Result of Runtime exec() to Console in Java
Printing the OutputStream of a process created using the Runtime exec() method in Java can be accomplished using the InputStream of the process. You need to read from the process's …
Reading a File in Java: A Comprehensive Tutorial with Code …
Oct 9, 2024 · Whether you are reading character data, binary data, or lines from a file, Java offers classes like FileReader, BufferedReader, Scanner, and the modern Files class from the NIO …
How to Read InputStream from Java Process Using Runtime…
Learn how to effectively read InputStream in Java when using Runtime.exec() or ProcessBuilder with code examples.