Java.io.CharArrayWriter.close() 方法
描述
java.io.CharArrayWriter.close() 方法关闭流,但不释放缓冲区。
声明
以下是 java.io.CharArrayWriter.close() 方法的声明 −
public void close()
参数
NA
返回值
此方法不返回任何值。
异常
NA
示例
下面的例子展示了 java.io.CharArrayWriter.close() 方法的使用。
package com.tutorialspoint; 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(); } } }
让我们编译并运行上面的程序,这将产生下面的结果 −
ABCDEFGHIJKLMNOPQRSTUVWXYZ