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Interface Summary | |||
Cloneable | A class implements the Cloneable interface to
indicate to the clone method in class
Object that it is legal for that method to make a
field-for-field copy of instances of that class.
| 28/Jun/98 | |
Comparable | This interface imposes a partial or total ordering on the objects of each class that implements it. | 28/Jun/98 | |
Runnable | The Runnable interface should be implemented by any
class whose instances are intended to be executed by a thread.
| 1/Jul/98 | |
Runtime.MemoryAdvice | The MemoryAdvice interface defines the values returned by the getMemoryAdvice and waitForMemoryAdvice methods of the Runtime class.
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Class Summary | |||
Boolean | The Boolean class wraps a value of the primitive type boolean in an object.
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Byte | The Byte class is the standard wrapper for byte values. | YourNameHere | Date |
Character | The Character class wraps a value of the primitive type char in an object.
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Character.Subset | Constants for subsets of the Unicode character set. | YourNameHere | Date |
Class | Instances of the class Class represent classes and
interfaces in a running Java application.
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ClassLoader | The class ClassLoader is an abstract class.
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Compiler | The Compiler class is provided to support
Java-to-native-code compilers and related services.
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Double | The Double class wraps a value of the primitive type double in an object.
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Float | The Float class wraps a value of primitive type float in an object.
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Integer | The Integer class wraps a value of the primitive type int in an object.
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Long | The Long class wraps a value of the primitive type long in an object.
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Math | The class Math contains methods for performing basic
numeric operations such as the elementary exponential, logarithm,
square root, and trigonometric functions.
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Number | The abstract class Number is the superclass of
classes Byte , Double , Float ,
Integer , Long , and Short .
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Object | Class Object is the root of the class hierarchy.
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Package | Package objects contain version information about the implementation and specification of a Java package.
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Process | The exec methods return an instance of a subclass of Process that can be used to control the process and obtain information about it.
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Runtime | Every Java application has a single instance of class Runtime that allows the application to interface with the environment in which the application is running.
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RuntimePermission | This class is for runtime permissions. | YourNameHere | Date |
SecurityManager | The security manager is a class that allows applications to implement a security policy. | YourNameHere | Date |
Short | The Short class is the standard wrapper for short values. | YourNameHere | Date |
String | The String class represents character strings.
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StringBuffer | A string buffer implements a mutable sequence of characters. | YourNameHere | Date |
System | The System class contains several useful class fields
and methods.
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Thread | A thread is a thread of execution in a program. | YourNameHere | Date |
ThreadGroup | A thread group represents a set of threads. | YourNameHere | Date |
ThreadLocal | This class provides ThreadLocal variables. | YourNameHere | Date |
Throwable | The Throwable class is the superclass of all errors
and exceptions in the Java language.
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Void | The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the primitive Java type void. | YourNameHere | Date |
Exception Summary | |||
ArithmeticException | Thrown when an exceptional arithmetic condition has occurred. | YourNameHere | Date |
ArrayIndexOutOfBoundsException | Thrown to indicate that an array has been accessed with an illegal index. | 17/Jun/98 | |
ArrayStoreException | Thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects. | YourNameHere | Date |
ClassCastException | Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance. | YourNameHere | Date |
ClassNotFoundException | Thrown when an application tries to load in a class through its
string name using:
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CloneNotSupportedException | Thrown to indicate that the clone method in class
Object has been called to clone an object, but that
the object's class does not implement the Cloneable
interface.
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Exception | The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.
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IllegalAccessException | Thrown when an application tries to load in a class through its
string name using:
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IllegalArgumentException | Thrown to indicate that a method has been passed an illegal or inappropriate argument. | YourNameHere | Date
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IllegalMonitorStateException | Thrown to indicate that a thread has attempted to wait on an object's monitor or to notify other threads waiting on an object's monitor without owning the specified monitor. | YourNameHere | Date |
IllegalStateException | Signals that a method has been invoked at an illegal or inappropriate time. | 17/Jun/98 | |
IllegalThreadStateException | Thrown to indicate that a thread is not in an appropriate state for the requested operation. | YourNameHere | Date |
IndexOutOfBoundsException | Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range. | 17/Jun/98 | |
InstantiationException | Thrown when an application tries to create an instance of a class
using the newInstance method in class Class , but the specified class object cannot be
instantiated because it is an interface or is an abstract class.
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InterruptedException | Thrown when a thread is waiting, sleeping, or otherwise paused for
a long time and another thread interrupts it using the
interrupt method in class Thread .
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NegativeArraySizeException | Thrown if an application tries to create an array with negative size. | YourNameHere | Date |
NoSuchFieldException | Signals that the class doesn't have a field of a specified name. | YourNameHere | Date |
NoSuchMethodException | Thrown when a particular method cannot be found. | YourNameHere | Date |
NullPointerException | Thrown when an application attempts to use null in a
case where an object is required.
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NumberFormatException | Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format. | YourNameHere | Date |
RuntimeException | RuntimeException is the superclass of those
exceptions that can be thrown during the normal operation of the
Java Virtual Machine.
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SecurityException | Thrown by the security manager to indicate a security violation.
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StringIndexOutOfBoundsException | Thrown by the charAt method in class
String and by other String
methods to indicate that an index is either negative or greater
than or equal to the size of the string.
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UnsupportedOperationException | Thrown by an Object to indicate that it does not support the requested operation. | 17/Jun/98 |
Error Summary | |||
AbstractMethodError | Thrown when an application tries to call an abstract method. | YourNameHere | Date |
ClassCircularityError | Thrown when a circularity has been detected while initializing a class. | YourNameHere | Date |
ClassFormatError | Thrown when the Java Virtual Machine attempts to read a class file and determines that the file is malformed or otherwise cannot be interpreted as a class file. | YourNameHere | Date |
Error | An Error is a subclass of Throwable
that indicates serious problems that a reasonable application
should not try to catch.
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ExceptionInInitializerError | Signals that an unexpected exception has occurred in a static initializer. | YourNameHere | Date |
IllegalAccessError | Thrown if an application attempts to access or modify a field, or to call a method that it does not have access to. | YourNameHere | Date |
IncompatibleClassChangeError | Thrown when an incompatible class change has occurred to some class definition. | YourNameHere | Date |
InstantiationError | Thrown when an application tries to use the Java new
construct to instantiate an abstract class or an interface.
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InternalError | Thrown to indicate some unexpected internal error has occurred in the Java Virtual Machine. | YourNameHere | Date |
LinkageError | Subclasses of LinkageError indicate that a class has
some dependency on another class; however, the latter class has
incompatibly changed after the compilation of the former class.
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NoClassDefFoundError | Thrown if the Java Virtual Machine or a classloader tries to load
in the definition of a class (as part of a normal method call or
as part of creating a new instance using the new
expression) and no definition of the class could be found.
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NoSuchFieldError | Thrown if an application tries to access or modify a specified field of an object, and that object no longer has that field. | YourNameHere | Date |
NoSuchMethodError | Thrown if an application tries to call a specified method of a class (either static or instance), and that class no longer has a definition of that method. | YourNameHere | Date |
OutOfMemoryError | Thrown when the Java Virtual Machine cannot allocate an object because it is out of memory, and no more memory could be made available by the garbage collector. | YourNameHere | Date |
StackOverflowError | Thrown when a stack overflow occurs because an application recurses too deeply. | YourNameHere | Date |
ThreadDeath | An instance of ThreadDeath is thrown in the victim
thread when the stop method with zero arguments in
class Thread is called.
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UnknownError | Thrown when an unknown but serious exception has occurred in the Java Virtual Machine. | YourNameHere | Date |
UnsatisfiedLinkError | Thrown if the Java Virtual Machine cannot find an appropriate
native-language definition of a method declared native .
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VerifyError | Thrown when the "verifier" detects that a class file, though well formed, contains some sort of internal inconsistency or security problem. | YourNameHere | Date |
VirtualMachineError | Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating. | YourNameHere | Date |