Java.io.CharArrayWriter.close()方法實例
java.io.CharArrayWriter.close() 方法關閉該流,但不釋放該緩衝區。
聲明
以下是java.io.CharArrayWriter.close()方法的聲明:
public void close()
參數
- NA
返回值
此方法不返回任何值。
異常
- NA
例子
下面的示例演示java.io.CharArrayWriter.close()方法的用法。
package com.yiibai; import java.io.CharArrayWriter; public class CharArrayWriterAppendDemo { public static void main(String[] args) { CharArrayWriter chw = null; try{ // create character array writer chw = new CharArrayWriter(); // declare character sequence CharSequence csq = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; // closes the stream chw.close(); // append character sequence to the writer chw.append(csq); // prints out the character sequences System.out.println(chw.toString()); }catch(Exception e){ // for any error e.printStackTrace(); }finally{ // releases all system resources from writer if(chw!=null) chw.close(); } } }
讓我們來編譯和運行上面的程序,這將產生以下結果:
ABCDEFGHIJKLMNOPQRSTUVWXYZ