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Packages that use java.lang | |
java.awt | |
java.io | Provides for system input and output through data streams, serialization and the file system. |
java.lang | Provides classes that are fundamental to the design of the Java programming language. |
java.lang.ref | Provides reference-object classes, which support a limited degree of interaction with the garbage collector. |
java.lang.reflect | Provides classes and interfaces for obtaining reflective information about classes and objects. |
java.math | |
java.net | Provides the classes for implementing networking applications. |
java.security | Provides the classes and interfaces for the security framework. |
java.security.acl | The classes and interfaces in this package have been superseded by classes in the java.security package. |
java.security.cert | Provides classes and interfaces for parsing and managing certificates. |
java.security.spec | Provides classes and interfaces for key specifications and algorithm parameter specifications. |
java.text | Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages. |
java.text.resources | |
java.util | Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array). |
java.util.jar | Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file. |
java.util.zip | Provides classes for reading and writing the standard ZIP and GZIP file formats. |
javax.microedition.io |
Classes in java.lang used by java.awtObject
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Class Object is the root of the class hierarchy. |
Classes in java.lang used by java.ioClass
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Instances of the class Class represent classes and interfaces
in a running Java application.ClassNotFoundException
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Thrown when an application tries to load in a class through its string name using: The forName method in class Class .Comparable
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This interface imposes a total ordering on the objects of each class that implements it. Exception
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.IllegalArgumentException
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Thrown to indicate that a method has been passed an illegal or inappropriate argument. Object
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Class Object is the root of the class hierarchy.SecurityException
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Thrown by the security manager to indicate a security violation. String
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The String class represents character strings.StringBuffer
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A string buffer implements a mutable sequence of characters. Throwable
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The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.langBoolean
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The Boolean class wraps a value of the primitive type boolean in an object.Byte
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The Byte class is the standard wrapper for byte values. Character
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The Character class wraps a value of the primitive type char
in an object.Character.Subset
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Instances of this class represent particular subsets of the Unicode character set. Character.UnicodeBlock
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A family of character subsets representing the character blocks defined by the Unicode 2.0 specification. Class
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Instances of the class Class represent classes and interfaces
in a running Java application.ClassFormatError
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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. ClassLoader
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The class ClassLoader is an abstract class.ClassNotFoundException
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Thrown when an application tries to load in a class through its string name using: The forName method in class Class .CloneNotSupportedException
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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.Comparable
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This interface imposes a total ordering on the objects of each class that implements it. Double
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The Double class wraps a value of the primitive type double in an object.Error
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An Error is a subclass of Throwable
that indicates serious problems that a reasonable application
should not try to catch.Exception
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The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Float
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The Float class wraps a value of primitive type float in
an object.IllegalAccessException
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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
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Thrown to indicate that a method has been passed an illegal or inappropriate argument. IncompatibleClassChangeError
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Thrown when an incompatible class change has occurred to some class definition. IndexOutOfBoundsException
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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
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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.Integer
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The Integer class wraps a value of the primitive type int
in an object.InterruptedException
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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 .LinkageError
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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.Long
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The Long class wraps a value of the primitive type long
in an object.NoSuchFieldException
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Signals that the class doesn't have a field of a specified name. NoSuchMethodException
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Thrown when a particular method cannot be found. Number
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The abstract class Number is the superclass of
classes Byte , Double , Float ,
Integer , Long , and Short .NumberFormatException
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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. Object
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Class Object is the root of the class hierarchy.Package
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Package objects contain version information
about the implementation and specification of a Java package.Process
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The Runtime.exec methods create a native process and
return an instance of a subclass of Process that can
be used to control the process and obtain information about it.Runnable
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The Runnable interface should be implemented by any
class whose instances are intended to be executed by a thread.Runtime
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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.RuntimeException
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RuntimeException is the superclass of those
exceptions that can be thrown during the normal operation of the
Java Virtual Machine.SecurityException
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Thrown by the security manager to indicate a security violation. SecurityManager
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The security manager is a class that allows applications to implement a security policy. Short
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The Short class is the standard wrapper for short values. String
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The String class represents character strings.StringBuffer
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A string buffer implements a mutable sequence of characters. Thread
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A thread is a thread of execution in a program. ThreadGroup
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A thread group represents a set of threads. ThreadLocal
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This class provides ThreadLocal variables. Throwable
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The Throwable class is the superclass of all errors
and exceptions in the Java language.VirtualMachineError
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Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating. |
Classes in java.lang used by java.lang.refIllegalArgumentException
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Thrown to indicate that a method has been passed an illegal or inappropriate argument. InterruptedException
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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 .Object
|
Class Object is the root of the class hierarchy. |
Classes in java.lang used by java.lang.reflectArrayIndexOutOfBoundsException
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Thrown to indicate that an array has been accessed with an illegal index. Class
|
Instances of the class Class represent classes and interfaces
in a running Java application.ClassLoader
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The class ClassLoader is an abstract class.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
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Thrown to indicate that a method has been passed an illegal or inappropriate argument. InstantiationException
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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.NegativeArraySizeException
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Thrown if an application tries to create an array with negative size. Object
|
Class Object is the root of the class hierarchy.RuntimeException
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RuntimeException is the superclass of those
exceptions that can be thrown during the normal operation of the
Java Virtual Machine.SecurityException
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Thrown by the security manager to indicate a security violation. String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.mathComparable
|
This interface imposes a total ordering on the objects of each class that implements it. Number
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The abstract class Number is the superclass of
classes Byte , Double , Float ,
Integer , Long , and Short .Object
|
Class Object is the root of the class hierarchy.String
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The String class represents character strings. |
Classes in java.lang used by java.netClass
|
Instances of the class Class represent classes and interfaces
in a running Java application.ClassLoader
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The class ClassLoader is an abstract class.ClassNotFoundException
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Thrown when an application tries to load in a class through its string name using: The forName method in class Class .Exception
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.IllegalArgumentException
|
Thrown to indicate that a method has been passed an illegal or inappropriate argument. Object
|
Class Object is the root of the class hierarchy.Package
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Package objects contain version information
about the implementation and specification of a Java package.String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.securityClass
|
Instances of the class Class represent classes and interfaces
in a running Java application.ClassLoader
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The class ClassLoader is an abstract class.ClassNotFoundException
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Thrown when an application tries to load in a class through its string name using: The forName method in class Class .Cloneable
|
A class implements the Cloneable interface to
indicate to the Object.clone() method that it
is legal for that method to make a
field-for-field copy of instances of that class.CloneNotSupportedException
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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.Exception
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.IllegalArgumentException
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Thrown to indicate that a method has been passed an illegal or inappropriate argument. Object
|
Class Object is the root of the class hierarchy.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 security manager to indicate a security violation. String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.security.aclCloneable
|
A class implements the Cloneable interface to
indicate to the Object.clone() method that it
is legal for that method to make a
field-for-field copy of instances of that class.Exception
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Object
|
Class Object is the root of the class hierarchy.String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.security.certException
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Object
|
Class Object is the root of the class hierarchy.String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.security.specException
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Object
|
Class Object is the root of the class hierarchy.String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.textCloneable
|
A class implements the Cloneable interface to
indicate to the Object.clone() method that it
is legal for that method to make a
field-for-field copy of instances of that class.Comparable
|
This interface imposes a total ordering on the objects of each class that implements it. Exception
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Number
|
The abstract class Number is the superclass of
classes Byte , Double , Float ,
Integer , Long , and Short .Object
|
Class Object is the root of the class hierarchy.String
|
The String class represents character strings.StringBuffer
|
A string buffer implements a mutable sequence of characters. Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.text.resourcesObject
|
Class Object is the root of the class hierarchy.String
|
The String class represents character strings. |
Classes in java.lang used by java.utilClassLoader
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The class ClassLoader is an abstract class.Cloneable
|
A class implements the Cloneable interface to
indicate to the Object.clone() method that it
is legal for that method to make a
field-for-field copy of instances of that class.Comparable
|
This interface imposes a total ordering on the objects of each class that implements it. Exception
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Object
|
Class Object is the root of the class hierarchy.Runnable
|
The Runnable interface should be implemented by any
class whose instances are intended to be executed by a thread.RuntimeException
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RuntimeException is the superclass of those
exceptions that can be thrown during the normal operation of the
Java Virtual Machine.String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.util.jarCloneable
|
A class implements the Cloneable interface to
indicate to the Object.clone() method that it
is legal for that method to make a
field-for-field copy of instances of that class.Exception
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Object
|
Class Object is the root of the class hierarchy.String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by java.util.zipCloneable
|
A class implements the Cloneable interface to
indicate to the Object.clone() method that it
is legal for that method to make a
field-for-field copy of instances of that class.Exception
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Object
|
Class Object is the root of the class hierarchy.String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
Classes in java.lang used by javax.microedition.ioException
|
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch.Object
|
Class Object is the root of the class hierarchy.String
|
The String class represents character strings.Throwable
|
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
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