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stringwriter
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缓冲区当前值。
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。
toString() method does not throw an exception at the time of returning buffer value.
toString()方法在返回缓冲区值时不会引发异常。
Syntax:
句法:
public String toString();
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 String, it returns the string denotation of this StringWriter stream.
方法的返回类型为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 StringWriter str_w = new StringWriter(); str_w.write(str); // By using toString() method is to // represent the stream as a string String 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 stream if (str_w != null) { str_w.close(); } } }}
Output
输出量
str_w.toString(): Java World!!!
翻译自:
stringwriter
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