When any Java program runs, In background some libraries are loaded by JVM (Java Virtual Machine) in order to execute the Java program. Java command line tool(”java”) has various options that might be helpful for a Java programmer to know more about the class loading mechanisms.
For example “ –cp “ option that instructs JVM to find necessary classes other than system classes. An usage is shown below
java -cp ExampleDir.ExampleTipIf ExampleTip.class is not found in ExampleDir