Class Summary |
Boolean |
The Boolean class provides an object wrapper for Boolean data values, and
serves as a place for boolean-oriented operations. |
Character |
The Character class provides an object wrapper for Character data values
and serves as a place for character-oriented operations. |
Class |
Class objects contain runtime representations of classes. |
ClassLoader |
ClassLoader is an abstract Class that can be used to define a policy
for loading Java classes into the runtime environment. |
Compiler |
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Double |
The Double class provides an object wrapper for Double data values and serves
as a place for double-oriented operations. |
Float |
The Float class provides an object wrapper for Float data values, and serves as
a place for float-oriented operations. |
Integer |
The Integer class is a wrapper for integer values. |
Long |
The Long class provides an object wrapper for Long data values and serves as
a place for long-oriented operations. |
Math |
The standard Math library. |
Number |
Number is an abstract superclass for numeric scalar types. |
Object |
The root of the Class hierarchy. |
Process |
An instance of class Process is returned by variants of the exec ()
method in class System. |
Runtime |
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SecurityManager |
An abstract class that can be subclassed
to implement a security policy. |
String |
A general class of objects to represent character Strings. |
StringBuffer |
This Class is a growable buffer for characters. |
System |
This Class provides a system-independent interface to system
functionality. |
Thread |
A Thread is a single sequential flow of control within a process. |
ThreadGroup |
A group of Threads. |
Throwable |
An object signalling that an exceptional condition has occurred. |
Error Summary |
AbstractMethodError |
Signals an attempt to call an abstract method. |
ClassCircularityError |
Signals that a circularity has been detected when initializing a class. |
ClassFormatError |
Signals an invalid file format has occurred. |
Error |
Error is a subtype of Throwable for abnormal events that should not occur. |
IllegalAccessError |
Signals that an illegal access exception has occurred. |
IncompatibleClassChangeError |
Signals that an incompatible class change has occurred. |
InstantiationError |
Signals that the interpreter has tried to instantiate an abstract class or
an interface. |
InternalError |
Signals that an internal error has occurred. |
LinkageError |
LinkageError and its subclasses indicate that a class has some
dependency on another class; however the latter class has incompatibly
changed after the compilation of the former class. |
NoClassDefFoundError |
Signals that a class could not be found. |
NoSuchFieldError |
Signals that a particular field could not be found. |
NoSuchMethodError |
Signals that a particular method could not be found. |
OutOfMemoryError |
Signals that you are out of memory. |
StackOverflowError |
Signals that a stack overflow has occurred. |
ThreadDeath |
An instance of ThreadDeath is thrown in the victim thread when
thread.stop() is called. |
UnknownError |
Signals that an unknown but serious exception has occurred. |
UnsatisfiedLinkError |
Signals an unsatisfied link. |
VerifyError |
Signals that a Verification Error occured. |
VirtualMachineError |
A VirtualMachineError indicates that the virtual machine is broken
or has run out of resources. |