CharArrayWriter类的reset()方法 (CharArrayWriter Class reset() method)

• reset() method is available in java.io package.

  reset()方法在java.io包中可用。

• reset() method is used to reset this stream (CharArrayWriter) and it can re-use further without throwing away.

  reset()方法用于重置此流(CharArrayWriter)，并且可以进一步重用而不会丢弃。

• reset() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  reset()方法是一种非静态方法，只能通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。

• reset() method does not throw an exception at the time of resetting the stream.

  reset()方法在重置流时不会引发异常。

Syntax:

句法：

public void reset();

Parameter(s):

参数：

• It does not accept any parameter.

  它不接受任何参数。

Return value:

返回值：

The return type of the method is void, it returns nothing.

该方法的返回类型为void ，不返回任何内容。

Example:

例：

// Java program to demonstrate the example // of void reset() method of CharArrayWriterimport java.io.*;public class ResetOfCAW {
    public static void main(String[] args) {
     CharSequence cs = "Java World!!!";  CharArrayWriter caw = null;  try {
      // Instantiates CharArrayWriter   caw = new CharArrayWriter();   // By using append() method is to   // append cs to the caw before calling   // reset()   caw.append(cs);   // By using toString() method is    // to represent the caw as a string   System.out.print("caw: " + caw.toString());   System.out.println();   // By using reset() method isto reset the   // caw stream    caw.reset();   // Define CharSequence again   cs = "Java Programming!!!!";   // By using append() method is to   // append new cs to the caw after calling   // reset()   caw.append(cs);   // By using toString() method is    // to represent the caw as a string   System.out.print("caw.reset(): " + caw.toString());  } catch (Exception ex) {
      System.out.println(ex.toString());  } finally {
      // Free all resources linked with this   // stream   if (caw != null)    caw.close();  } }}

Output

输出量

caw: Java World!!!caw.reset(): Java Programming!!!!

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