Java Connection Management »

InstallJava  ▪  AddToClassPath  ▪  ShowJavaConsole  ▪  ...

Java Classes and Objects »

LoadJavaClass — load and set up a Java class for use from the Wolfram Language

JavaNew, MakeJavaObject — create a Java object

Constructors  ▪  Methods  ▪  Fields  ▪  ...

Memory Management »

JavaBlock  ▪  ReleaseJavaObject  ▪  LoadedJavaObjects  ▪  ...

Java User Interfaces »

DoModal — wait until the Java user interface signals to proceed

JavaShow  ▪  AppletViewer  ▪  ...

Exception Handling »

GetJavaException  ▪  JavaThrow  ▪  $JavaExceptionHandler