A classpath is an environmental variable which tells the Java virtual machine and Java technology-based applications (for example, the tools located in the C:\JDK1.3\bin directory) where to find the class libraries, including user-defined class libraries.

A classpath is an environmental variable which tells the Java virtual machine- and Java technology-based applications (for example, the tools located in the JDK 1.1.X\bin directory) where to find the class libraries, including user-defined class libraries.