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See:
Description
Interface Summary | |
---|---|
Iterable<T> | Implementing this interface allows an object to be the target of the "foreach" statement. |
Runnable | The Runnable interface should be implemented by any class
whose instances are intended to be executed by a thread. |
Class Summary | |
---|---|
Boolean | The Boolean class wraps a value of the primitive type boolean
in an object. |
Byte | The Byte class is the standard wrapper for byte values. |
Character | The Character class wraps a value of the primitive type char
in an object. |
Class<T> | Instances of the class Class represent classes and interfaces
in a running Java application. |
Enum<E extends Enum<E>> | This is the common base class of all Java language enumeration types. |
Integer | The Integer class wraps a value of the primitive type int in
an object. |
Long | The Long class wraps a value of the primitive type long in an
object. |
Math | The class Math contains methods for performing basic numeric
operations. |
Object | Class Object is the root of the class hierarchy. |
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. |
Short | The Short class is the standard wrapper for short values. |
String | The String class represents character strings. |
StringBuffer | A string buffer implements a mutable sequence of characters. |
StringBuilder | A mutable sequence of characters. |
System | The System class contains several useful class fields and
methods. |
Thread | A thread is a thread of execution in a program. |
Throwable | The Throwable class is the superclass of all errors and
exceptions in the Java language. |
Void | The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void. |
Exception Summary | |
---|---|
ArithmeticException | Thrown when an exceptional arithmetic condition has occurred. |
ArrayIndexOutOfBoundsException | Thrown to indicate that an array has been accessed with an illegal index. |
ArrayStoreException | Thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects. |
ClassCastException | Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance. |
ClassNotFoundException | Thrown when an application tries to load in a class through its string name
using the forName method in class Class but no
definition for the class with the specified name could be found. |
Exception | The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch. |
IllegalAccessException | Thrown when an application tries to load in a class, but the currently executing method does not have access to the definition of the specified class, because the class is not public and in another package. |
IllegalArgumentException | Thrown to indicate that a method has been passed an illegal or inappropriate argument. |
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. |
IllegalStateException | Signals that a method has been invoked at an illegal or inappropriate time. |
IllegalThreadStateException | Thrown to indicate that a thread is not in an appropriate state for the requested operation. |
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. |
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. |
InterruptedException | Thrown when a thread is waiting, sleeping, or otherwise paused for a long time and another thread interrupts it. |
NegativeArraySizeException | Thrown if an application tries to create an array with negative size. |
NullPointerException | Thrown when an application attempts to use null in a case
where an object is required. |
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. |
RuntimeException | RuntimeException is the superclass of those exceptions that
can be thrown during the normal operation of the Java Virtual Machine. |
SecurityException | Thrown by the system to indicate a security violation. |
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. |
Error Summary | |
---|---|
AssertionError | Thrown to indicate that an assertion has failed. |
Error | An Error is a subclass of Throwable that
indicates serious problems that a reasonable application should not try to
catch. |
NoClassDefFoundError | Thrown if the Java Virtual Machine 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. |
NoSuchFieldError | Thrown if an application tries to access or modify a specified field of an object, and that object no longer has that field. |
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. |
VirtualMachineError | Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating. |
Annotation Types Summary | |
---|---|
Override | Indicates that a method declaration is intended to override a method declaration in a superclass. |
SuppressWarnings | Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element). |
Provides classes that are fundamental to the Java programming language.
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