Chapter 10. java.lang and Subpackages
This chapter covers the
java.lang package which defines the core classes
and interfaces that are indispensable to the Java platform and the
Java programming language. It also covers more specialized
subpackages:java.lang.annotation Defines the
Annotation interface that all annotation types
extend, and also defines meta-annotation types and related enumerated
types. Added in Java 5.0.java.lang.instrument Provides support for Java-based
"agents"
that can instrument a Java program by transforming class files as
they are loaded. Added in Java 5.0.java.lang.management
Defines "management
bean" interfaces for remote monitoring and
management of a running Java interpreter.java.lang.ref Defines
"reference" classes
that are used to refer to objects without preventing the garbage
collector from reclaiming those objects.java.lang.reflect Allows Java programs to examine the
members of arbitrary classes, invoking methods, and querying and
setting the value of fields. |
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