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## Uses of Package
java.lang

Packages that use java.lang
java.io | Provides for system input and output through data streams.
java.lang | MID Profile Language Classes included from Java 2 Standard Edition.
java.util | MID Profile Utility Classes included from Java 2 Standard Edition.
javax.microedition.io | MID Profile includes networking support based on the `GenericConnection` framework from the Connected Limited Device Configuration.
javax.microedition.lcdui | The UI API provides a set of features for implementation of user interfaces for MIDP applications.
javax.microedition.midlet | The MIDlet package defines Mobile Information Device Profile applications and the interactions between the application and the environment in which the application runs.
javax.microedition.rms | The Mobile Information Device Profile provides a mechanism for MIDlets to persistently store data and later retrieve it.

Classes in java.lang used by java.io
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.lang
Class Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassNotFoundException Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
Error An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
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.
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.
Integer The Integer class wraps a value of the primitive type `int` in an object.
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`.
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.
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.
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.
RuntimeException `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.
StringBuffer A string buffer implements a mutable sequence of characters.
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.
VirtualMachineError 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.util
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 `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 javax.microedition.io
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.lcdui
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.
String The `String` class represents character strings.

Classes in java.lang used by javax.microedition.midlet
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.rms
ArrayIndexOutOfBoundsException Thrown to indicate that an array has been accessed with an illegal index.
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.

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