readstream.html

学习JAVA的很好的JAVA包和文档包

<PRE>
public char <B>getFirst</B>()</PRE>
<DL>
<DD>Read (but don't consume) next char in stream.<DD><DL>
<DT><B>Postcondition:</B><DD>returns next character in stream, without consuming it<DT><B>Returns:</B><DD>The next character to be read.</DL>
</DD>
</DL>
<HR>

<A NAME="eoln()"><!-- --></A><H3>
eoln</H3>
<PRE>
public boolean <B>eoln</B>()</PRE>
<DL>
<DD>Return true if the next character to be read is an end-of-line mark.<DD><DL>
<DT><B>Postcondition:</B><DD>returns true if next stream char is an eoln char<DT><B>Returns:</B><DD>True iff the next character is an end-of-line mark.</DL>
</DD>
</DL>
<HR>

<A NAME="readln()"><!-- --></A><H3>
readln</H3>
<PRE>
public void <B>readln</B>()</PRE>
<DL>
<DD>Read characters up to and including the end-of-line
 mark.<DD><DL>
<DT><B>Postcondition:</B><DD>reads input stream until end-of-line (\r or \n)</DL>
</DD>
</DL>
<HR>

<A NAME="skipWhite()"><!-- --></A><H3>
skipWhite</H3>
<PRE>
public void <B>skipWhite</B>()</PRE>
<DL>
<DD>Consume all the white-space characters until EOF or
 other data.<DD><DL>
<DT><B>Postcondition:</B><DD>input pointer is at EOF, or nonwhitespace char</DL>
</DD>
</DL>
<HR>

<A NAME="readString()"><!-- --></A><H3>
readString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>readString</B>()</PRE>
<DL>
<DD>Skip white space and read in the next non-whitespace word
 as a string.<DD><DL>
<DT><B>Postcondition:</B><DD>reads next word as a string<DT><B>Returns:</B><DD>The next word on the input.</DL>
</DD>
</DL>
<HR>

<A NAME="acceptChar(char)"><!-- --></A><H3>
acceptChar</H3>
<PRE>
private boolean <B>acceptChar</B>(char&nbsp;c)</PRE>
<DL>
</DL>
<HR>

<A NAME="acceptWord(java.lang.String)"><!-- --></A><H3>
acceptWord</H3>
<PRE>
private boolean <B>acceptWord</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A>&nbsp;s)</PRE>
<DL>
</DL>
<HR>

<A NAME="readBoolean()"><!-- --></A><H3>
readBoolean</H3>
<PRE>
public boolean <B>readBoolean</B>()</PRE>
<DL>
<DD>Read the next word "true" or "false" as a boolean.<DD><DL>
<DT><B>Postcondition:</B><DD>returns next boolean value read from input<DT><B>Returns:</B><DD>The value true or false, depending on input.</DL>
</DD>
</DL>
<HR>

<A NAME="readChar()"><!-- --></A><H3>
readChar</H3>
<PRE>
public char <B>readChar</B>()</PRE>
<DL>
<DD>Read next character, whitespace or not.  Fail on eof.<DD><DL>
<DT><B>Postcondition:</B><DD>returns next character, or 0 for eof<DT><B>Returns:</B><DD>The next character, or the value 0 indicating EOF.</DL>
</DD>
</DL>
<HR>

<A NAME="pushbackChar(char)"><!-- --></A><H3>
pushbackChar</H3>
<PRE>
public void <B>pushbackChar</B>(char&nbsp;c)</PRE>
<DL>
<DD>Return character to input stream for reading at later time.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - The character to push back onto input stream.<DT><B>Postcondition:</B><DD>pushes back character, possibly clearing EOF;
       if c == 0, does nothing</DL>
</DD>
</DL>
<HR>

<A NAME="readDouble()"><!-- --></A><H3>
readDouble</H3>
<PRE>
public double <B>readDouble</B>()</PRE>
<DL>
<DD>Reads the next double value from input stream.
 Whitespace is skipped beforehand.
 CURRENTLY NOT WORKING.<DD><DL>
<DT><B>Postcondition:</B><DD>reads in double value<DT><B>Returns:</B><DD>The next double found on input.</DL>
</DD>
</DL>
<HR>

<A NAME="readFloat()"><!-- --></A><H3>
readFloat</H3>
<PRE>
public float <B>readFloat</B>()</PRE>
<DL>
<DD>Read floating point value from input
 (Currently not working).
 Skips whitespace before reading.<DD><DL>
<DT><B>Postcondition:</B><DD>reads floating point value and returns value<DT><B>Returns:</B><DD>Next floating point number.</DL>
</DD>
</DL>
<HR>

<A NAME="readFully(byte[])"><!-- --></A><H3>
readFully</H3>
<PRE>
public void <B>readFully</B>(byte[]&nbsp;b)
               throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Read an array of bytes from input.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b</CODE> - The array of bytes; holds result.</DL>
</DD>
</DL>
<HR>

<A NAME="readFully(byte[], int, int)"><!-- --></A><H3>
readFully</H3>
<PRE>
public void <B>readFully</B>(byte[]&nbsp;b,
                      int&nbsp;off,
                      int&nbsp;len)
               throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Read input into byte array.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b</CODE> - Target array of bytes.<DD><CODE>off</CODE> - Offset into byte array to start reading.<DD><CODE>len</CODE> - Number of bytes to be read.</DL>
</DD>
</DL>
<HR>

<A NAME="readShort()"><!-- --></A><H3>
readShort</H3>
<PRE>
public short <B>readShort</B>()</PRE>
<DL>
<DD>Reads an integer from input stream.<DD><DL>
<DT><B>Postcondition:</B><DD>reads a short integer from stream<DT><B>Returns:</B><DD>The integer read form input.</DL>
</DD>
</DL>
<HR>

<A NAME="readInt()"><!-- --></A><H3>
readInt</H3>
<PRE>
public int <B>readInt</B>()</PRE>
<DL>
<DD>Reads an integer from input stream.<DD><DL>
<DT><B>Postcondition:</B><DD>reads an integer from stream<DT><B>Returns:</B><DD>The integer read form input.</DL>
</DD>
</DL>
<HR>

<A NAME="readLong()"><!-- --></A><H3>
readLong</H3>
<PRE>
public long <B>readLong</B>()</PRE>
<DL>
<DD>Read a (potentially long) input.<DD><DL>
<DT><B>Postcondition:</B><DD>reads a long integer from stream<DT><B>Returns:</B><DD>The integer read from input.</DL>
</DD>
</DL>
<HR>

<A NAME="readLine()"><!-- --></A><H3>
readLine</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>readLine</B>()</PRE>
<DL>
<DD>Read the remainder of line, including end-of-line mark.<DD><DL>
<DT><B>Postcondition:</B><DD>reads remainder of line, returns as string<DT><B>Returns:</B><DD>The string containing all the characters to end-of-line.</DL>
</DD>
</DL>
<HR>

<A NAME="readUTF()"><!-- --></A><H3>
readUTF</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>readUTF</B>()
               throws <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Read unicode from input.<DD><DL>
<DT><B>Returns:</B><DD>String version of UTF character.</DL>
</DD>
</DL>
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