## Uses of Class
java.lang.Long

- Packages that use Long
  Package | Description
  --- | ---
  java.lang | Provides classes that are fundamental to the design of the Java programming language.
  java.nio.channels | Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
  javax.management.openmbean | Provides the open data types and Open MBean descriptor classes.
  javax.management.timer | Provides the definition of the Timer MBean.

- - ### Uses of Long in java.lang

    Fields in java.lang with type parameters of type Long
    Modifier and Type | Field and Description
    --- | ---
    `static Class<Long>` | Long.`TYPE` The `Class` instance representing the primitive type `long`.

    Methods in java.lang that return Long
    Modifier and Type | Method and Description
    --- | ---
    `static Long` | Long.`decode(String nm)` Decodes a `String` into a `Long`.
    `static Long` | Long.`getLong(String nm)` Determines the `long` value of the system property with the specified name.
    `static Long` | Long.`getLong(String nm, long val)` Determines the `long` value of the system property with the specified name.
    `static Long` | Long.`getLong(String nm, Long val)` Returns the `long` value of the system property with the specified name.
    `static Long` | Long.`valueOf(long l)` Returns a `Long` instance representing the specified `long` value.
    `static Long` | Long.`valueOf(String s)` Returns a `Long` object holding the value of the specified `String`.
    `static Long` | Long.`valueOf(String s, int radix)` Returns a `Long` object holding the value extracted from the specified `String` when parsed with the radix given by the second argument.

    Methods in java.lang with parameters of type Long
    Modifier and Type | Method and Description
    --- | ---
    `int` | Long.`compareTo(Long anotherLong)` Compares two `Long` objects numerically.
    `static Long` | Long.`getLong(String nm, Long val)` Returns the `long` value of the system property with the specified name.

  - ### Uses of Long in java.nio.channels

    Method parameters in java.nio.channels with type arguments of type Long
    Modifier and Type | Method and Description
    --- | ---
    `abstract <A> void` | AsynchronousSocketChannel.`read(ByteBuffer[] dsts, int offset, int length, long timeout, TimeUnit unit, A attachment, CompletionHandler<Long,? super A> handler)` Reads a sequence of bytes from this channel into a subsequence of the given buffers.
    `abstract <A> void` | AsynchronousSocketChannel.`write(ByteBuffer[] srcs, int offset, int length, long timeout, TimeUnit unit, A attachment, CompletionHandler<Long,? super A> handler)` Writes a sequence of bytes to this channel from a subsequence of the given buffers.

  - ### Uses of Long in javax.management.openmbean

    Fields in javax.management.openmbean with type parameters of type Long
    Modifier and Type | Field and Description
    --- | ---
    `static SimpleType<Long>` | SimpleType.`LONG` The `SimpleType` instance describing values whose Java class name is `java.lang.Long`.

  - ### Uses of Long in javax.management.timer

    Methods in javax.management.timer that return Long
    Modifier and Type | Method and Description
    --- | ---
    `Long` | Timer.`getNbOccurences(Integer id)` Gets a copy of the remaining number of occurrences associated to a timer notification.
    `Long` | TimerMBean.`getNbOccurences(Integer id)` Gets a copy of the remaining number of occurrences associated to a timer notification.
    `Long` | Timer.`getPeriod(Integer id)` Gets a copy of the period (in milliseconds) associated to a timer notification.
    `Long` | TimerMBean.`getPeriod(Integer id)` Gets a copy of the period (in milliseconds) associated to a timer notification.

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2015, Oracle and/or its affiliates. All rights reserved.