Someone in my group asked me about accessing static nested classes
from Jacl. Below is a description and a solution.
http://java.sun.com/docs/books/tutorial/java/more/nested.html
says:
A static nested class is called just that: a static nested
class. A nonstatic nested class is called an inner class.
The innerclass spec has a slightly different terminology
http://java.sun.com/products/jdk/1.1/docs/guide/innerclasses/spec/innerclasses.doc.html
says:
In addition, the programmer can define a class as a static member
of any top-level class. Classes which are static class members
and classes which are package members are both called top-level
classes. They differ from inner classes in that a top-level class
can make direct use only of its own instance variables. The
ability to nest classes in this way allows any top-level class to
provide a package-like organization for a logically related group
of secondary top-level classes, all of which share full access to
private members.
Below is a small test case:
cxh@maury 84% cat TestInnerClasses.java
public class TestInnerClasses {
public static void main(String args[]) {
MyInnerClass mic = new MyInnerClass();
System.out.println( mic.testing());
}
public static class MyInnerClass {
public String testing() {
return new String("MyInnerClass::testing()");
}
}
}
cxh@maury 85% setenv CLASSPATH .
cxh@maury 86% javac TestInnerClasses.java
cxh@maury 87% java TestInnerClasses
MyInnerClass::testing()
cxh@maury 88% /usr/tools/bin/ptjacl
% set tic [java::new TestInnerClasses]
java0x1
% set mic [java::new TestInnerClasses\$MyInnerClass]
java0x2
% java::info class $mic
TestInnerClasses$MyInnerClass
% $mic testing
MyInnerClass::testing()
Using the \$ syntax seems a little dicey, but apparently it works.
-Christopher
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