ecllipse快速上手（Ecllipse quick start）.docVIP

ecllipse快速上手（Ecllipse quick start） Ecllipse quick start My development environment is JDK1.4.2+Eclipse3.0+Windows XP SP2. If you encounter any problems on other platforms, you are welcome to write letters and exchanges. 1. install JDK1.4 Eclipse is a Java platform based development environment that runs on the Java virtual machine and uses the JDK compiler, so we have to install JDK first. JDK1.4 is the most stable version at the moment, and it is also a must for Eclipse operation. Download the JDK1.4 version of Windows SUN from the official site, the latest is 1.4.2_06, and then run the j2sdk-1_4_2_06-windows-i586-p.exe setup, you can set the installation directory, I installed it to the D:\software\j2sdk1.4 directory. Next, you configure the environment variables so that the Java program can find the installed JDK and other configuration information. Right click on my computer, select properties, and select the advanced environment variable in the pop-up dialog box to see the environment variable dialog box: The above is the user variable, valid only for the current user. Here is the system variable that works for all users. If you want all users to be able to use them, click new under system variables and fill in: JAVA_HOME is the installation directory for JDK, and many JDK dependent development environments rely on it to locate JDK, so it must be guaranteed to be correct. Next, find the system variables Path, click the Edit, in the end add JDK executable file directory,%JAVA_HOME%\bin directory corresponding to me is D:\software\j2sdk1.4\bin, attached to the Path to pay attention to a semicolon ; separated: Note: if the system installed multiple Java virtual machines (such as installing Oracle 9i, it has its own JDK1.3), you must put the JDK1.4 path in front of the other JVM, or else the Eclipse startup will go wrong. Finally, a system variable is CLASSPATH, the Java virtual machine according to CLASSPATH set class to search the file directory, but this is not