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You need to load a class that is not in a location specified by the extensions mechanism. If class files placed in a named package, the CLASSPATH ends with the directory that contains the root package in the full package name, that is the first package in the full package name. Select System. Step 2: Click on Advanced System Settings.
The Java interpreter will look for classes in the directories in the order they appear in the classpath variable. You can find the user environment variables window by — From the desktop, right click the Computer icon. Choose Properties from the context menu.
Click the Advanced system settings link. Click Environment Variables. Click Edit. Add all folders separated with separator.
Click OK. Close all remaining windows by clicking OK. Add a single jar file in classpath Below syntax examples will add single jar file in classpath.
Add multiple jar files in classpath Below syntax examples will add more than one jar file in classpath. Add multiple classes to classpath Many times, you may need to add individual classes in classpath as well. Was this post helpful? Let us know if you liked the post. Java System Properties. How to set the classpath through our java program dynamically? For convenience, you may wish to set up your own variables to substitute for commonly used classpaths. If you decide to set the Java system classpath in your environment, you must put only those classes detailed in this document as belonging in the Java system classpath in your environment CLASSPATH variable.
Check the documentation for your platform or your JDK for details. Setting the Java system classpath from the java command line You can set your Java system classpath from the java command line with the -classpath option. This setting will override any classpath previously set in the environment. Note that when you specify a Java system classpath in this manner it will only be in effect when executing the Java class on that command line. You will need to specify it again each time you run the java command.
What to include in your classpath Depending on the Java application you are running, the classes you include in your classpath will vary. This section tells you how to set your classpath to start a WebLogic Server and to perform other common tasks.
Since each task requires a different classpath -- one that can be laborious to type -- you may wish to set up variables to represent these various classpaths. See Using variables to set classpath for details.
Omit this entry if you are running under Java 2 JDK 1. Specify the following classes in the WebLogic classpath , using the weblogic. For more information, see Setting your development environment. The WebLogic classpath is specified using the weblogic.
To set a classpath for running WebLogic client applications the classes. To run WebLogic java utilities classes. For example, to run a utility called utils.
You must include any classes that are called in your code. If your code calls weblogic. Note that a WebLogic Server started in this way will not be able to utilize the hot deploy feature. Server Using variables to set classpath You may set up your own environment variables to help you set classpath for various uses.
For instance, you may wish to set up variables for the WebLogic classpath and the Java system classpath to be used when: running WebLogic Server running Java utilities running client code running your own applications compiling Java code Consult the documentation for your operating system for information on how to define environment variables.
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