class AbstractMethodError | Exception thrown when an attempt is made to call an abstract method. |
interface Appendable | Declares methods to append characters or character sequences. |
class ArithmeticException | Thrown when an exceptional arithmetic condition has occurred. |
class ArrayIndexOutOfBoundsException | Thrown to indicate that an array has been accessed with an illegal index. |
class ArrayStoreException | Thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects. |
class AssertionError | |
interface AutoCloseable | |
class Boolean | The Boolean class wraps a value of the primitive type boolean in an object. |
class Byte | The Byte class is the standard wrapper for byte values. |
interface CharSequence | This interface represents an ordered set of characters and defines the methods to probe them. |
class Character | The Character class wraps a value of the primitive type char in an object. |
class Class | Instances of the class Class represent classes and interfaces in a running Java application. |
class ClassCastException | Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance. |
class ClassLoader | |
class 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. |
class CloneNotSupportedException | Thrown when a program attempts to clone an object which does not support the Cloneable interface. |
interface Cloneable | This (empty) interface must be implemented by all classes that wish to support cloning. |
interface Comparable | This interface should be implemented by all classes that wish to define a natural order of their instances. |
annotation Deprecated | An annotation for marking an element as deprecated. |
class Double | The Double class wraps a value of the primitive type double in an object. |
class Enum | Implementation class required to compile enums |
class Error | An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch. |
class Exception | The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch. |
class Float | The Float class wraps a value of primitive type float in an object. |
class 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. |
class IllegalArgumentException | Thrown to indicate that a method has been passed an illegal or inappropriate argument. |
class 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. |
class IllegalStateException | |
class IllegalThreadStateException | Thrown to indicate that a thread is not in an appropriate state for the requested operation. |
class IncompatibleClassChangeError | IncompatibleClassChangeError is the superclass of all classes which represent errors that occur when inconsistent class files are loaded into the same running image. |
class 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. |
class 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. |
class Integer | The Integer class wraps a value of the primitive type int in an object. |
class InterruptedException | Thrown when a thread is waiting, sleeping, or otherwise paused for a long time and another thread interrupts it. |
interface Iterable | Objects of classes that implement this interface can be used within a foreach statement. |
class LinkageError | LinkageError is the superclass of all error classes that occur when loading and linking class files. |
class Long | The Long class wraps a value of the primitive type long in an object. |
class Math | The class Math contains methods for performing basic numeric operations. |
class NegativeArraySizeException | Thrown if an application tries to create an array with negative size. |
class 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. |
class NoSuchFieldError | Thrown when the virtual machine notices that a program tries to reference, on a class or object, a field that does not exist. |
class NullPointerException | Thrown when an application attempts to use null in a case where an object is required. |
class Number | |
class 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. |
class Object | Class Object is the root of the class hierarchy. |
class 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. |
annotation Override | An annotation to indicate that a method is intended to override a superclass method. |
class Record | Base class for Java record types. |
interface Runnable | The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread. |
class 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. |
class RuntimeException | RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine. |
annotation SafeVarargs | |
class SecurityException | Thrown by the system to indicate a security violation. |
class Short | The Short class is the standard wrapper for short values. |
class StackTraceElement | |
class String | The String class represents character strings. |
class StringBuffer | A string buffer implements a mutable sequence of characters. |
class StringBuilder | A string builder implements a mutable sequence of characters. |
class 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. |
annotation SuppressWarnings | An annotation that indicates a compiler should suppress any warnings of the type specified in the #value(). |
class System | The System class contains several useful class fields and methods. |
class Thread | A thread is a thread of execution in a program. |
class ThreadLocal | |
class Throwable | The Throwable class is the superclass of all errors and exceptions in the Java language. |
class UnsupportedOperationException | |
class VirtualMachineError | Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating. |
class Void | |