Package java.lang

Core Java classes

See:
Description

Interface Summary

CharSequence
Cloneable	This interface is not functional.
Comparable<T>
Iterable<E>	Interface needed by Java foreach loops.
Runnable	Class to allow an object to execute code.

Class Summary

Boolean	Wrapper class for booleans.
Byte	Wrapper class for bytes.
Character
Class<T>	Not fully functional.
Double	Minimal Double implementation.
Enum<E extends Enum<E>>
Float	Minimal Float implementation.
Integer	Minimal Integer implementation that supports converting an int to a String.
Long	Wrapper class for long integers.
Math	Mathematical functions.
Number	Superclass for the difference wrapper classes.
Object	All classes extend this one, implicitly.
Runtime	Minimalist version of the standard Java Runtime class.
Short	Wrapper class for shorts.
String	An immutable string of characters.
StringBuffer	An expandable string of characters.
StringBuilder	An expandable string of characters.
System	System utilities.
Thread	A thread of execution (or task).
Throwable	All exceptions and errors extend this class.
Void	An uninstantiable placeholder class.

Exception Summary

ArithmeticException
ArrayIndexOutOfBoundsException
ArrayStoreException
ClassCastException
ClassNotFoundException
CloneNotSupportedException
Exception
IllegalArgumentException
IllegalMonitorStateException
IllegalStateException
IndexOutOfBoundsException
InterruptedException
NegativeArraySizeException
NullPointerException
NumberFormatException
RuntimeException
StringIndexOutOfBoundsException
UnsupportedOperationException

Error Summary

AssertionError
Error
NoClassDefFoundError
NoSuchFieldError
NoSuchMethodError
OutOfMemoryError
StackOverflowError
ThreadDeath	This is a special Error, which isn't reported by the VM if uncaught.

Annotation Types Summary

Deprecated
Override
SuppressWarnings

Package java.lang Description

Core Java classes