CharArrayWriter類的size()方法 (CharArrayWriter Class size() method)

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

  size()方法在java.io包中可用。

• size() method is used to get the current size of this buffer (CharArrayWriter).

  size()方法用于獲取此緩沖區(qū)的當前大小(CharArrayWriter)。

• size() 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.

  size()方法是一種非靜態(tài)方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• size() method does not throw an exception at the time of returning the current size.

  返回當前大小時， size()方法不會引發(fā)異常。

Syntax:

句法：

public int size();

Parameter(s):

參數(shù)：

• It does not accept any parameter.

  它不接受任何參數(shù)。

Return value:

返回值：

The return type of the method is int, it returns the current size of this stream.

方法的返回類型為int ，它返回此流的當前大小。

Example:

例：

// Java program to demonstrate the example // of int size() method of CharArrayWriterimport java.io.*; public class SizeOfCAW {public static void main(String[] args) {CharSequence cs = "Java World!!!";CharArrayWriter caw = null;try {// Instantiates CharArrayWritercaw = 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 stringSystem.out.print("caw: " + caw.toString());System.out.println();// By using size() method isto return// the size of this streamint size = caw.size();// Display size of the stream System.out.print("caw.size(): " + size);} catch (Exception ex) {System.out.println(ex.toString());} finally {// Free all resources linked with this// streamif (caw != null)caw.close();}} }

Output

輸出量

caw: Java World!!! caw.size(): 13

翻譯自: https://www.includehelp.com/java/chararraywriter-size-method-with-example.aspx

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