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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/io/CharArrayWriter.java
/* * Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.io; import java.util.Arrays; /** * This class implements a character buffer that can be used as an Writer. * The buffer automatically grows when data is written to the stream. The data * can be retrieved using toCharArray() and toString(). * <P> * Note: Invoking close() on this class has no effect, and methods * of this class can be called after the stream has closed * without generating an IOException. * * @author Herb Jellinek * @since JDK1.1 */ public class CharArrayWriter extends Writer { /** * The buffer where data is stored. */ protected char buf[]; /** * The number of chars in the buffer. */ protected int count; /** * Creates a new CharArrayWriter. */ public CharArrayWriter() { this(32); } /** * Creates a new CharArrayWriter with the specified initial size. * * @param initialSize an int specifying the initial buffer size. * @exception IllegalArgumentException if initialSize is negative */ public CharArrayWriter(int initialSize) { if (initialSize < 0) { throw new IllegalArgumentException("Negative initial size: " + initialSize); } buf = new char[initialSize]; } /** * Writes a character to the buffer. */ public void write(int c) { synchronized (lock) { int newcount = count + 1; if (newcount > buf.length) { buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount)); } buf[count] = (char)c; count = newcount; } } /** * Writes characters to the buffer. * @param c the data to be written * @param off the start offset in the data * @param len the number of chars that are written */ public void write(char c[], int off, int len) { if ((off < 0) || (off > c.length) || (len < 0) || ((off + len) > c.length) || ((off + len) < 0)) { throw new IndexOutOfBoundsException(); } else if (len == 0) { return; } synchronized (lock) { int newcount = count + len; if (newcount > buf.length) { buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount)); } System.arraycopy(c, off, buf, count, len); count = newcount; } } /** * Write a portion of a string to the buffer. * @param str String to be written from * @param off Offset from which to start reading characters * @param len Number of characters to be written */ public void write(String str, int off, int len) { synchronized (lock) { int newcount = count + len; if (newcount > buf.length) { buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount)); } str.getChars(off, off + len, buf, count); count = newcount; } } /** * Writes the contents of the buffer to another character stream. * * @param out the output stream to write to * @throws IOException If an I/O error occurs. */ public void writeTo(Writer out) throws IOException { synchronized (lock) { out.write(buf, 0, count); } } /** * Appends the specified character sequence to this writer. * * <p> An invocation of this method of the form <tt>out.append(csq)</tt> * behaves in exactly the same way as the invocation * * <pre> * out.write(csq.toString()) </pre> * * <p> Depending on the specification of <tt>toString</tt> for the * character sequence <tt>csq</tt>, the entire sequence may not be * appended. For instance, invoking the <tt>toString</tt> method of a * character buffer will return a subsequence whose content depends upon * the buffer's position and limit. * * @param csq * The character sequence to append. If <tt>csq</tt> is * <tt>null</tt>, then the four characters <tt>"null"</tt> are * appended to this writer. * * @return This writer * * @since 1.5 */ public CharArrayWriter append(CharSequence csq) { String s = (csq == null ? "null" : csq.toString()); write(s, 0, s.length()); return this; } /** * Appends a subsequence of the specified character sequence to this writer. * * <p> An invocation of this method of the form <tt>out.append(csq, start, * end)</tt> when <tt>csq</tt> is not <tt>null</tt>, behaves in * exactly the same way as the invocation * * <pre> * out.write(csq.subSequence(start, end).toString()) </pre> * * @param csq * The character sequence from which a subsequence will be * appended. If <tt>csq</tt> is <tt>null</tt>, then characters * will be appended as if <tt>csq</tt> contained the four * characters <tt>"null"</tt>. * * @param start * The index of the first character in the subsequence * * @param end * The index of the character following the last character in the * subsequence * * @return This writer * * @throws IndexOutOfBoundsException * If <tt>start</tt> or <tt>end</tt> are negative, <tt>start</tt> * is greater than <tt>end</tt>, or <tt>end</tt> is greater than * <tt>csq.length()</tt> * * @since 1.5 */ public CharArrayWriter append(CharSequence csq, int start, int end) { String s = (csq == null ? "null" : csq).subSequence(start, end).toString(); write(s, 0, s.length()); return this; } /** * Appends the specified character to this writer. * * <p> An invocation of this method of the form <tt>out.append(c)</tt> * behaves in exactly the same way as the invocation * * <pre> * out.write(c) </pre> * * @param c * The 16-bit character to append * * @return This writer * * @since 1.5 */ public CharArrayWriter append(char c) { write(c); return this; } /** * Resets the buffer so that you can use it again without * throwing away the already allocated buffer. */ public void reset() { count = 0; } /** * Returns a copy of the input data. * * @return an array of chars copied from the input data. */ public char toCharArray()[] { synchronized (lock) { return Arrays.copyOf(buf, count); } } /** * Returns the current size of the buffer. * * @return an int representing the current size of the buffer. */ public int size() { return count; } /** * Converts input data to a string. * @return the string. */ public String toString() { synchronized (lock) { return new String(buf, 0, count); } } /** * Flush the stream. */ public void flush() { } /** * Close the stream. This method does not release the buffer, since its * contents might still be required. Note: Invoking this method in this class * will have no effect. */ public void close() { } }
⏎ java/io/CharArrayWriter.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, 248248👍, 4💬
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