AbstractMethodError | An AbstractMethodError is thrown when an application attempts
to access an abstract method. |
ArithmeticException | Thrown when a math error has occured, such as trying to divide an
integer by zero. |
ArrayIndexOutOfBoundsException | Thrown when attempting to access a position outside the valid range of
an array. |
ArrayStoreException | Thrown when trying to store an object of the wrong runtime type in an
array. |
AssertionError | An assertion error normally occurs as a result of the assert
statement added in JDK 1.4, to indicate that an assertion failed. |
Boolean | Instances of class Boolean represent primitive
boolean values. |
Byte | Instances of class Byte represent primitive byte
values. |
CharSequence | General functions on a sequence of chars. |
Character | Wrapper class for the primitive char data type. |
Character.Subset | A subset of Unicode blocks. |
Character.UnicodeBlock | A family of character subsets in the Unicode specification. |
Class | |
ClassCastException | Thrown when an attempt is made to cast an object which is not of the
appropriate runtime type. |
ClassCircularityError | A ClassCircularityError is thrown when a circular dependency
has been detected while initializing a class. |
ClassFormatError | A ClassFormatError is thrown when a Java Virtual Machine
unable to read a class file because the file is corrupted or cannot be
interpreted as a class file. |
ClassLoader | The ClassLoader is a way of customizing the way Java gets its classes
and loads them into memory. |
ClassNotFoundException | Thrown when a class is requested by reflection, but the class definition
cannot be found. |
CloneNotSupportedException | Thrown to indicate an object should not or could not be cloned. |
Cloneable | This interface should be implemented by classes wishing to
support of override Object.clone() . |
Comparable | Interface for objects that can be ordering among other objects. |
Compiler | The Compiler class is a placeholder for a JIT compiler
implementation, and does nothing unless there is such a compiler. |
Double | Instances of class Double represent primitive
double values. |
Error | Applications should not try to catch errors since they indicate
abnormal conditions. |
Exception | The root class of all exceptions worth catching in a program. |
ExceptionInInitializerError | An ExceptionInInitializerError is thrown when an uncaught
exception has occurred in a static initializer or the initializer for a
static variable. |
Float | Instances of class Float represent primitive
float values. |
IllegalAccessError | An IllegalAccessError is thrown when an attempt is made to
call a method, or access or modify a field that the application does not
have access to. |
IllegalAccessException | Thrown whenever a reflective method tries to do something that the
compiler would not allow. |
IllegalArgumentException | Thrown when a method is passed an illegal or inappropriate argument. |
IllegalMonitorStateException | Thrown when a thread attempts to wait or notify on a monitor that it
does not own (ie. |
IllegalStateException | Thrown when a method is invoked at an illegal or inappropriate time. |
IllegalThreadStateException | Thrown When trying to manipulate a Thread which is in an inappropriate
state. |
IncompatibleClassChangeError | An IncompatibleClassChangeError is thrown when the definition
of a class used by the currently executing method has changed in an
incompatible way. |
IndexOutOfBoundsException | This exception can be thrown to indicate an attempt to access an
index which is out of bounds on objects like String, Array, or Vector. |
InheritableThreadLocal | A ThreadLocal whose value is inherited by child Threads. |
InstantiationError | An InstantiationError is thrown when an attempt is made to
create an instance of an abstract class or an interface. |
InstantiationException | Thrown when an attempt is made to use reflection to build a
non-instantiable class (an interface or abstract class). |
Integer | Instances of class Integer represent primitive
int values. |
InternalError | An InternalError is thrown when a mystical error has
occurred in the Java Virtual Machine. |
InterruptedException | Thrown when a thread interrupts another thread which was previously
sleeping, waiting, or paused in some other way. |
LinkageError | Subclasses of LinkageError are thrown to indicate that two
classes which were compatible at separate compilation times cannot be
linked to one another. |
Long | Instances of class Long represent primitive
long values. |
Math | Helper class containing useful mathematical functions and constants. |
NegativeArraySizeException | Thrown when an attempt is made to create an array with a negative
size. |
NoClassDefFoundError | A NoClassDefFoundError is thrown when a classloader or the
Java Virtual Machine tries to load a class and no definition of the class
can be found. |
NoSuchFieldError | A NoSuchFieldError is thrown if an application attempts
to access a field of a class, and that class no longer has that field. |
NoSuchFieldException | Thrown to indicate the class does not have the specified field. |
NoSuchMethodError | A NoSuchMethodError is thrown if an application attempts
to access a method of a class, and that class no longer has that method. |
NoSuchMethodException | Thrown to indicate the class does not have the specified method. |
NullPointerException | Thrown when attempting to use null where an object
is required. |
Number | Number is a generic superclass of all the numeric classes, including
the wrapper classes |
NumberFormatException | Can be thrown when attempting to convert a String to
one of the numeric types, but the operation fails because the string
has the wrong format. |
Object | Object is the ultimate superclass of every class
(excepting interfaces). |
OutOfMemoryError | Thrown when the Java Virtual Machine is unable to allocate an object
because it is out of memory and no more memory could be made available
by the garbage collector. |
Package | Everything you ever wanted to know about a package. |
Process | An instance of a subclass of Process is created by the
Runtime.exec methods. |
Runnable | Runnable is an interface you implement to indicate that your class can be
executed as the main part of a Thread, among other places. |
RuntimeException | All exceptions which are subclasses of RuntimeException
can be thrown at any time during the execution of a Java virtual machine. |
RuntimePermission | A RuntimePermission contains a permission name, but no
actions list. |
SecurityException | The security manager will throw this exception to indicate a security
violation. |
SecurityManager | SecurityManager is a class you can extend to create your own Java
security policy. |
Short | Instances of class Short represent primitive
short values. |
StackOverflowError | A StackOverflowError is thrown when the execution stack
overflow occurs. |
StackTraceElement | One function call or stack trace element. |
StrictMath | Helper class containing useful mathematical functions and constants. |
String | Strings represent an immutable set of characters. |
StringBuffer | StringBuffer represents a changeable String . |
StringIndexOutOfBoundsException | This exception can be thrown to indicate an attempt to access an index
which is out of bounds of a String. |
System | System represents system-wide resources; things that represent the
general environment. |
Thread | |
ThreadDeath | ThreadDeath is thrown in a thread when someone calls stop()
on that thread. |
ThreadGroup | ThreadGroup allows you to group Threads together. |
ThreadLocal | ThreadLocal objects have a different state associated with every
Thread that accesses them. |
Throwable | Throwable is the superclass of all exceptions that can be raised. |
UnknownError | An UnknownError is thrown when a serious but unknown
problem has occurred in the Java Virtual Machine. |
UnsatisfiedLinkError | A UnsatisfiedLinkError is thrown if an appropriate
native language definition of a method declared native
cannot be found by the Java Virtual Machine. |
UnsupportedClassVersionError | An UnsupportedClassVersionError is thrown when the
Java Virtual Machine determines it does not support the major and minor
version numbers in the class file it is attempting to read. |
UnsupportedOperationException | This exception is thrown by an object when an operation is
requested of it that it does not support. |
VerifyError | A VerifyError is thrown if there is a security problem or
internal inconsistency in a class file as detected by the "verifier."
|
VirtualMachineError | A VirtualMachineError or its subclasses are thrown to
indicate there is something wrong with the Java Virtual Machine or that
it does not have the resources needed for it to continue execution. |
Void | Void is a placeholder class so that the variable Void.TYPE
(also available as void.class ) can be supported for
reflection return types. |