stringwriter

StringWriter類的toString()方法 (StringWriter Class toString() method)

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

  toString()方法在java.io包中可用。

• toString() method is used to represent the buffer current value in terms of string.

  toString()方法用于表示字符串形式的緩沖區當前值。

• toString() 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.

  toString()方法是一種非靜態方法，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。

• toString() method does not throw an exception at the time of returning buffer value.

  toString()方法在返回緩沖區值時不會引發異常。

Syntax:

句法：

public String toString();

Parameter(s):

參數：

• It does not accept any parameter.

  它不接受任何參數。

Return value:

返回值：

The return type of the method is String, it returns the string denotation of this StringWriter stream.

方法的返回類型為String ，它返回此StringWriter流的字符串表示形式。

Example:

例：

// Java program to demonstrate the example // of String toString() method of StringWriterimport java.io.*;public class ToStringOfFSW {public static void main(String[] args) throws Exception {StringWriter str_w = null;String str = "Java World!!!";try {// Instantiates StringWriterstr_w = new StringWriter();str_w.write(str);// By using toString() method is to// represent the stream as a stringString s = str_w.toString();System.out.println("str_w.toString(): " + s);} catch (Exception ex) {System.out.println(ex.toString());} finally {// with the help of this block is to// free all necessary resources linked// with the streamif (str_w != null) {str_w.close();}}} }

Output

輸出量

str_w.toString(): Java World!!!

翻譯自: https://www.includehelp.com/java/stringwriter-tostring-method-with-example.aspx

stringwriter

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