자바

유니코드 문자

java.io.Writer // 추상 클래스

java.io.Reader // 추상 클래스

java.io.OutputStreamWriter -> java.io.Writer

java.io.InputStreamReader -> java.io.Reader

java.io.FileWriter -> OutputStreamReader

java.io.FileReader -> InputStreamReader

java.io.StringReader -> java.io.Reader

java.io.StringWriter -> java.io.Writer

.toString()

java.io.PrintWriter -> java.io.Writer

.close()

.print()

.println()

.printf()

java.io.BufferedWriter -> java.io.Writer

.newLine()

java.io.BufferedReader -> java.io.Reader

.readLine()

java.lang.System

.out // static; java.io.PrintStream

.print()

.println()

.printf() // 자바 5.0

System.in // static; InputStream

.read()

System.err // static

.println();

import java.io.*;

..

try {

BufferedReader in = new BufferedReader(new FileReader(filename));

String line;

while ((line = in.readLine()) != null) { .. }

in.close();

} catch (IOException e) { .. }

/*

BufferedReader console = new BufferecdReader(new InputStreamReader(System.in));

..

try {

.. console.readLine() ..

} catch(IOException e) { .. }

*/

    FileReader fr = null;
    char[] buff = new char[512];
    int len = -1;
   
    try {
        fr = new FileReader("..");
       
        while ( (len = fr.read(buff)) != -1) {
            .. buff .. len ..
        }
    } catch(IOException ex) {
        .. ex.getMessage() ..
    } finally {
        if (fr != null) try { fr.close(); } catch(IOException ex) {}
    }

java.io.StreamTokenizer

c.f. java.util.StringTokenizer

StringBufferInputStream

.nextToken()

.ttype

.nval

.sval

java.util.Scanner

.hasNextLine()

.hasNext()

.nextLine()

.next()