Java.io.FilterWriter.write char() 方法 Java.io.FilterWriter.write char len() 方法 Java.io.FilterWriter.write string() 方法 Java.io.FilterWriter.write char() 方法 package com.codingdict; import java.io.FilterWriter; import java.io.StringWriter; import java.io.Writer; public class FilterWriterDemo { public static void main(String[] args) throws Exception { FilterWriter fw = null; Writer w = null; String s = null; try { // create new reader w = new StringWriter(6); // filter writer fw = new FilterWriter(w) { }; // write to filter writer fw.write(65); fw.write(66); fw.write(67); // get the string s = w.toString(); // print System.out.print("String: "+s); } catch(Exception e) { // if any I/O error occurs e.printStackTrace(); } finally { // releases system resources associated with this stream if(w!=null) w.close(); if(fw!=null) fw.close(); } } } Java.io.FilterWriter.write char len() 方法 Java.io.FilterWriter.write string() 方法