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JavaScript Tutorial

Javascript : Java object, JavaArray, JavaClass, JavaObject, JavaPackage, Packages, sun, netscape

Java object

Java object is a top-level, predefined JavaScript object used to access java classes.

JavaArray

Javaarray object is an instance of a java array.

Can be created by any java method which creates an array or by using newInstance method of the array class.

JavaClass

A JavaScript reference to a Java class.

Can be created by a reference to the class name used with the Packages object.

JavaObject

The type of a wrapped Java object accessed from within JavaScript code.

Any Java method which returns an object type. In addition, you can explicitly construct a JavaObject using the object's Java constructor with the Packages keyword: new Packages.JavaClass(parameterList) where JavaClass is the fully-specified name of the object's Java class.

JavaPackage

A JavaScript reference to a Java package.

Can be created with a reference to the package name used with the Packages keyword.

Packages, sun, netscape

Packages

Packages is a built-in object used to access Java classes from within JavaScript code.

Syntax>

Packages.packagename

Properties of the Packages object

Name Description
classname Name of Java class in a package.
java Represent the core Java classes.
netscape Represent a set of Netscape classes.
sun Represent the core Sun classes

sun

The sun object is predefined JavaScript object,is used to access any Java class in the package sun.*.

netscape

The netscape object is predefined JavaScript object, used to access any Java class in the package netscape.*.

Can be created by a reference to the class name used with the Packages object.



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