How to run a Jar file - TheServerSide
Jun 9, 2022 · How do you run a JAR at the command line? As long as you have Java installed, and the PATH variable points to the \bin directory of the JDK, you issue the following command to run a JAR file at the command line:. java -jar jarfilename.jar. This Java JAR run command assumes the JAR in question is located in the current folder.
How to delete a Git repository - TheServerSide
Nov 29, 2021 · Delete Git repo locally. There’s not trick in terms of how to delete a Git repo locally from your computer. You just need to delete all of the content from the folder in which the Git repo was either cloned or initialized.
Fix the top 10 most common compile time errors in Java
Feb 11, 2022 · 1. Class and source file mismatch. The name of the Java source file, as it resides on the filesystem, must exactly match the name of the public Java class as it is defined in the class declaration.
How to find and use a GitHub URL by example - TheServerSide
Jan 25, 2024 · Git, GitHub and the Git URL. A Git repository is of very little use if it resides entirely on your remote GitHub or GitLab account. To actually work with the various files and resources stored in that repository, you must pull or clone that code from the …
How to revert a Git commit: A simple example - TheServerSide
Dec 1, 2021 · Steps to revert a Git commit. In review, the steps to git revert a commit and undo unwanted changes are the following:. Locate the ID of the commit to revert with the git log or reflog command. Issue the git revert command and provide the commit ID of interest.; Supply a meaningful Git commit message to describe why the revert was needed.; The git revert …
Fix these 10 common examples of the RuntimeException in Java
Mar 16, 2022 · To help programmers both anticipate and recover from runtime errors, the Java programming language defines a special class named the RuntimeException.. Given their potential to stop an otherwise properly functioning program dead in its tracks, developers should grasp Java's most common RuntimeExceptions.. List of RuntimeException examples
How Java's System.in reads input from the user | TheServerSide
Sep 29, 2022 · The code below shows how to get user input with System.in, the InputStreamReader and the BufferedReader: InputStreamReader reader = new InputStreamReader(System.in); BufferedReader br = new BufferedReader(reader); System.out.println("Whis is our name?"); var input = br.readline(); System.out.println("Your …
How to install the JDK on Windows and set up JAVA_HOME
Aug 8, 2019 · When this process is complete, you can open a new command window and run various Java command-line interface utilities to verify that the installation was successful. Use the java.exe utility with the -version switch to print out the version and distribution if the JDK install ran successfully.. How to set up the JAVA_HOME environment variable. One of the nice things …
User input with a Java JOptionPane example - TheServerSide
Sep 16, 2022 · showConfirmDialog(); showMessageDialog(); and showOptionDialog(). JOptionPane import and methods. For example, the following Java class uses JOptionPane’s showInputDialog() method to prompt for user input, and then displays a message back to the user with the showMessageDialog() function. As you can see, the javax.swing import greatly …
How to setup PHP on Nginx with fastCGI (PHP-FPM) example
May 27, 2022 · As such, it’s no wonder that so many sys admins need to configure Nginx, PHP and PHP-FPM on both Linux and Windows servers. This quick tutorial shows you how to setup PHP and Nginx on Ubuntu Linux with the fastCGI process manager (PHP-FPM) configured as Nginx’s PHP engine.