This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
JLink Guide
Calling Java from Mathematica
LoadJavaClass load and set up a Java class for use from Mathematica
JavaNew, MakeJavaObject create a Java object
Constructors  ▪ Methods  ▪ Fields  ▪ ...
DoModal wait until the Java user interface signals to proceed
JavaShow  ▪ AppletViewer  ▪ ...