String toString char toCharArray void write(char c, int off, int len) 描述 所述java.io.CharArrayWriter.toString()方法返回来自此作家缓冲的内容的字符串。 声明 以下是java.io.CharArrayWriter.toString()方法的声明 public String toString() 参数 NA 返回值 该方法返回此writer中分配的缓冲区内容的字符串。 异常 NA 实例 以下示例显示了java.io.CharArrayWriter.toString()方法的用法。 package com.tutorialspoint; import java.io.CharArrayWriter; public class CharArrayWriterDemo { public static void main(String[] args) { char[] ch = {'A','B','C','D','E'}; CharArrayWriter chw = null; try { // create character array writer chw = new CharArrayWriter(); // write character buffer to the writer chw.write(ch); // get buffered content as string String str = chw.toString(); // print the string System.out.print(str); } catch(Exception e) { // for any error e.printStackTrace(); } finally { // releases all system resources from writer if(chw!=null) chw.close(); } } } 让我们编译并运行上面的程序,这将产生以下结果 ABCDE char toCharArray void write(char c, int off, int len)