Package java.lang

Interface Summary

Interface	Description
CharSequence	This class is only compatible with Java 1.4.
Cloneable
Comparable
Runnable

Class Summary

Class	Description
Boolean	Instances of class Boolean represent primitive boolean values.
Byte	Instances of class Byte represent primitive byte values.
Character	The Character class wraps a value of the primitive type char in an object.
Character.Subset	Instances of this class represent particular subsets of the Unicode character set.
Character.UnicodeBlock	A family of character subsets representing the character blocks in the Unicode specification.
Class
ClassLoader	A ClassLoader is used to load and link classes which would not be loaded by the system (bootstrap loader).
Double	Instances of class Double represent primitive double values.
Float	Instances of class Float represent primitive float values.
Integer	Instances of class Integer represent primitive int values.
Long	Instances of class Long represent primitive long values.
Math
Number	Number is a generic superclass of all the numeric classes, including the wrapper classes Byte, Short, Integer, Long, Float, and Double.
Object	Object is the the base class for all objects.
Process
Runtime
SecurityManager	SecurityManager is a class you can extend to create your own Java security policy.
Short	Instances of class Short represent primitive short values.
StackTraceElement
String	String is an array of characters.
StringBuffer
StringBuilder
System
Thread
ThreadGroup	ThreadGroup allows you to group Threads together.
Throwable
Void	Void is a placeholder class so that the variable Void.TYPE (also available as void.class) can be supported for reflection return types.

Exception Summary

Exception	Description
ArithmeticException
ArrayIndexOutOfBoundsException
ArrayStoreException
ClassCastException
ClassNotFoundException
CloneNotSupportedException
Exception
IllegalAccessException
IllegalArgumentException
IllegalMonitorStateException
IllegalStateException
IllegalThreadStateException
IndexOutOfBoundsException
InstantiationException
InterruptedException
NegativeArraySizeException	Thrown when an attempt is made to create an array with a negative size.
NoSuchFieldException
NoSuchMethodException
NullPointerException
NumberFormatException
RuntimeException
SecurityException
StringIndexOutOfBoundsException
UnsupportedOperationException

Error Summary

Error	Description
AbstractMethodError
AssertionError
ClassFormatError
Error
ExceptionInInitializerError
IncompatibleClassChangeError
InstantiationError
InternalError	An InternalError is thrown when a mystical error has occurred in the Java Virtual Machine.
LinkageError
NoClassDefFoundError
NoSuchFieldError
NoSuchMethodError
OutOfMemoryError
StackOverflowError
ThreadDeath	ThreadDeath is thrown in a thread when someone calls stop() on that thread.
UnknownError
UnsatisfiedLinkError
VirtualMachineError