- How to Set Java Home

Do you want to set Java Home? The variable Java Home, generally written as JAVA_HOME, is set to the install path of Java. Learning how to set JAVA_HOME in Windows and Linux isn't
- How to Fix Java

Java is a computing platform that allows you to play games and view videos on your computer. You can tell that your computer is having problems with Java if you see Java errors
- How to Create JAR File

This wikiHow teaches you how to create a Java compressed folder, also known as a JAR file, using a free Java program called Eclipse. You can do this on both Windows and Mac
- How to Close a Window in Java

This article will show you how to close a window in Java. Closing a window is much easier using Swing's JFrame, but it's also doable using AWT's Frame. Obtain an instance of a
- How to Compare Two Dates in Java

There are various ways to compare Java dates. Internally, a date is represented as a (long) point in time -- the number of milliseconds that have elapsed since January 1 1970. In
- How to Update Java

This wikiHow teaches you how to update Java on your computer. Although Java will usually update itself when possible, you can use Java's update feature to force an available update
- How to Determine Java Version

Multiple copies of Java can be installed on a single computer, and, if you have more than one browser, every one of them could be using a different version or none at all. You can
- How to Print an Array in Java

If you are working on Java and have an array with a large amount of data, you may want to print certain elements in order to view them conveniently. There are multiple ways you can
- How to Write Your First Program in Java

Java is an object-oriented programming language created in 1995 by James Gosling, which means that it represents concepts as 'objects' with 'fields' (which are attributes that
- How to Create an Executable File from Eclipse

After having completed your project in Eclipse, your next goal will be to create a runnable version of your project. The simplest and most standard process for running a Java
- How to Print Double Quotes in Java

You've discovered that the double quote symbol ' will not work inside a Java print instruction. You'll need to find an alternate way to tell the compiler to print this symbol,
- How to Check Java Version on a Mac

This wikiHow will teach you how to check what version of Java you have installed on your Mac by checking the System Preferences, using the Java website, or by using your Mac's
- How to Check Null in Java

A null indicates that a variable doesn't point to any object and holds no value. You can use a basic 'if' statement to check a null in a piece of code. Null is commonly used to
- How to Compile & Run Java Program Using Command Prompt

While many programming environments will allow you to compile and run a program within the environment, you can also compile and run using Command Prompt. Both Windows and Mac have
- How to Check Your Java Version in the Windows Command Line

This wikiHow teaches you how to check what version of java you have installed on your Windows computer using Command Prompt. Click the Windows Start icon. It's the icon with
- How to Study Oracle

Mastering the ins-and-outs of the Oracle Database can be a highly-rewarding pursuit. However, it requires a great deal of commitment to get to the highest levels of the profession,
- How to Back Up Exchange 2003

Backing up Exchange 2003 databases and mailboxes is a crucial task that ensures all mailboxes and files can be restored if the Exchange server crashes. Since Exchange uses open
- How to Use R Language to Connect with an ORACLE Database

The language R can be used to connect with an ORACLE database and perform several actions. For use on Linux Ubuntu and ORACLE XE, learning to connect in this way makes the task
- How to Check the Query Performance in an SQL Server

This wikiHow teaches you how to to use the SQL Server Query Store to monitor the performance of your database queries. Open the SQL Server Management Studio. You can use the Query
- How to Check Database Size in MySQL

This wikiHow teaches you how to check the size of a MySQL database. You can check the size of a database using MySQL Workbench, or by running a query in MySQL. Open MySQL