char toCharArray void reset String toString 描述 所述 java.io.CharArrayWriter.toCharArray() 方法返回字符的这个写入器阵列。 声明 以下是 java.io.CharArrayWriter.toCharArray() 方法的声明 public char[] toCharArray() 参数 NA 返回值 该方法返回字符数组。 异常 NA 实例 以下示例显示了java.io.CharArrayWriter.toCharArray()方法的用法。 package com.tutorialspoint; import java.io.CharArrayWriter; public class CharArrayWriterDemo { public static void main(String[] args) { CharArrayWriter chw = null; try { // create character array writer chw = new CharArrayWriter(); String str = "Hello World!!"; // write string to writer chw.write(str); // get array of character from the writer char[] ch = chw.toCharArray(); // for each character in character array for (char c : ch) { // print character System.out.println(c); } } 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 H e l l o W o r l d ! ! void reset String toString