Java.io.Writer.append sequence() 方法 Java.io.Writer.append() 方法 Java.io.Writer.append Subsequence() 方法 Java.io.Writer.append sequence() 方法 package com.codingdict; import java.io.*; public class WriterDemo { public static void main(String[] args) { CharSequence csq = "Hello World!"; // create a new writer Writer writer = new PrintWriter(System.out); try { // append a sequence and change line writer.append("This is an example\n"); // flush the writer writer.flush(); // append a new sequence writer.append(csq); // flush the writer to see the result writer.flush(); } catch (IOException ex) { ex.printStackTrace(); } } } Java.io.Writer.append() 方法 Java.io.Writer.append Subsequence() 方法