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JRE 8 rt.jar - java.* Package Source Code
JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:
com.* - Internal Oracle and Sun Microsystems libraries java.* - Standard Java API libraries. javax.* - Extended Java API libraries. jdk.* - JDK supporting libraries. org.* - Third party libraries. sun.* - Old libraries developed by Sun Microsystems.
JAR File Information:
Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib 63,596,151 rt.jar
Here is the list of Java classes of the java.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ java/lang/Process.java
/* * Copyright (c) 1995, 2012, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.lang; import java.io.*; import java.util.concurrent.TimeUnit; /** * The {@link ProcessBuilder#start()} and * {@link Runtime#exec(String[],String[],File) Runtime.exec} * methods create a native process and return an instance of a * subclass of {@code Process} that can be used to control the process * and obtain information about it. The class {@code Process} * provides methods for performing input from the process, performing * output to the process, waiting for the process to complete, * checking the exit status of the process, and destroying (killing) * the process. * * <p>The methods that create processes may not work well for special * processes on certain native platforms, such as native windowing * processes, daemon processes, Win16/DOS processes on Microsoft * Windows, or shell scripts. * * <p>By default, the created subprocess does not have its own terminal * or console. All its standard I/O (i.e. stdin, stdout, stderr) * operations will be redirected to the parent process, where they can * be accessed via the streams obtained using the methods * {@link #getOutputStream()}, * {@link #getInputStream()}, and * {@link #getErrorStream()}. * The parent process uses these streams to feed input to and get output * from the subprocess. Because some native platforms only provide * limited buffer size for standard input and output streams, failure * to promptly write the input stream or read the output stream of * the subprocess may cause the subprocess to block, or even deadlock. * * <p>Where desired, <a href="ProcessBuilder.html#redirect-input"> * subprocess I/O can also be redirected</a> * using methods of the {@link ProcessBuilder} class. * * <p>The subprocess is not killed when there are no more references to * the {@code Process} object, but rather the subprocess * continues executing asynchronously. * * <p>There is no requirement that a process represented by a {@code * Process} object execute asynchronously or concurrently with respect * to the Java process that owns the {@code Process} object. * * <p>As of 1.5, {@link ProcessBuilder#start()} is the preferred way * to create a {@code Process}. * * @since JDK1.0 */ public abstract class Process { /** * Returns the output stream connected to the normal input of the * subprocess. Output to the stream is piped into the standard * input of the process represented by this {@code Process} object. * * <p>If the standard input of the subprocess has been redirected using * {@link ProcessBuilder#redirectInput(Redirect) * ProcessBuilder.redirectInput} * then this method will return a * <a href="ProcessBuilder.html#redirect-input">null output stream</a>. * * <p>Implementation note: It is a good idea for the returned * output stream to be buffered. * * @return the output stream connected to the normal input of the * subprocess */ public abstract OutputStream getOutputStream(); /** * Returns the input stream connected to the normal output of the * subprocess. The stream obtains data piped from the standard * output of the process represented by this {@code Process} object. * * <p>If the standard output of the subprocess has been redirected using * {@link ProcessBuilder#redirectOutput(Redirect) * ProcessBuilder.redirectOutput} * then this method will return a * <a href="ProcessBuilder.html#redirect-output">null input stream</a>. * * <p>Otherwise, if the standard error of the subprocess has been * redirected using * {@link ProcessBuilder#redirectErrorStream(boolean) * ProcessBuilder.redirectErrorStream} * then the input stream returned by this method will receive the * merged standard output and the standard error of the subprocess. * * <p>Implementation note: It is a good idea for the returned * input stream to be buffered. * * @return the input stream connected to the normal output of the * subprocess */ public abstract InputStream getInputStream(); /** * Returns the input stream connected to the error output of the * subprocess. The stream obtains data piped from the error output * of the process represented by this {@code Process} object. * * <p>If the standard error of the subprocess has been redirected using * {@link ProcessBuilder#redirectError(Redirect) * ProcessBuilder.redirectError} or * {@link ProcessBuilder#redirectErrorStream(boolean) * ProcessBuilder.redirectErrorStream} * then this method will return a * <a href="ProcessBuilder.html#redirect-output">null input stream</a>. * * <p>Implementation note: It is a good idea for the returned * input stream to be buffered. * * @return the input stream connected to the error output of * the subprocess */ public abstract InputStream getErrorStream(); /** * Causes the current thread to wait, if necessary, until the * process represented by this {@code Process} object has * terminated. This method returns immediately if the subprocess * has already terminated. If the subprocess has not yet * terminated, the calling thread will be blocked until the * subprocess exits. * * @return the exit value of the subprocess represented by this * {@code Process} object. By convention, the value * {@code 0} indicates normal termination. * @throws InterruptedException if the current thread is * {@linkplain Thread#interrupt() interrupted} by another * thread while it is waiting, then the wait is ended and * an {@link InterruptedException} is thrown. */ public abstract int waitFor() throws InterruptedException; /** * Causes the current thread to wait, if necessary, until the * subprocess represented by this {@code Process} object has * terminated, or the specified waiting time elapses. * * <p>If the subprocess has already terminated then this method returns * immediately with the value {@code true}. If the process has not * terminated and the timeout value is less than, or equal to, zero, then * this method returns immediately with the value {@code false}. * * <p>The default implementation of this methods polls the {@code exitValue} * to check if the process has terminated. Concrete implementations of this * class are strongly encouraged to override this method with a more * efficient implementation. * * @param timeout the maximum time to wait * @param unit the time unit of the {@code timeout} argument * @return {@code true} if the subprocess has exited and {@code false} if * the waiting time elapsed before the subprocess has exited. * @throws InterruptedException if the current thread is interrupted * while waiting. * @throws NullPointerException if unit is null * @since 1.8 */ public boolean waitFor(long timeout, TimeUnit unit) throws InterruptedException { long startTime = System.nanoTime(); long rem = unit.toNanos(timeout); do { try { exitValue(); return true; } catch(IllegalThreadStateException ex) { if (rem > 0) Thread.sleep( Math.min(TimeUnit.NANOSECONDS.toMillis(rem) + 1, 100)); } rem = unit.toNanos(timeout) - (System.nanoTime() - startTime); } while (rem > 0); return false; } /** * Returns the exit value for the subprocess. * * @return the exit value of the subprocess represented by this * {@code Process} object. By convention, the value * {@code 0} indicates normal termination. * @throws IllegalThreadStateException if the subprocess represented * by this {@code Process} object has not yet terminated */ public abstract int exitValue(); /** * Kills the subprocess. Whether the subprocess represented by this * {@code Process} object is forcibly terminated or not is * implementation dependent. */ public abstract void destroy(); /** * Kills the subprocess. The subprocess represented by this * {@code Process} object is forcibly terminated. * * <p>The default implementation of this method invokes {@link #destroy} * and so may not forcibly terminate the process. Concrete implementations * of this class are strongly encouraged to override this method with a * compliant implementation. Invoking this method on {@code Process} * objects returned by {@link ProcessBuilder#start} and * {@link Runtime#exec} will forcibly terminate the process. * * <p>Note: The subprocess may not terminate immediately. * i.e. {@code isAlive()} may return true for a brief period * after {@code destroyForcibly()} is called. This method * may be chained to {@code waitFor()} if needed. * * @return the {@code Process} object representing the * subprocess to be forcibly destroyed. * @since 1.8 */ public Process destroyForcibly() { destroy(); return this; } /** * Tests whether the subprocess represented by this {@code Process} is * alive. * * @return {@code true} if the subprocess represented by this * {@code Process} object has not yet terminated. * @since 1.8 */ public boolean isAlive() { try { exitValue(); return false; } catch(IllegalThreadStateException e) { return true; } } }
⏎ java/lang/Process.java
Or download all of them as a single archive file:
File name: jre-rt-java-1.8.0_191-src.zip File size: 6664831 bytes Release date: 2018-10-28 Download
⇒ JRE 8 rt.jar - javax.* Package Source Code
2023-08-23, 246039👍, 4💬
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