console java

控制臺類writer()方法 (Console Class writer() method)

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

  writer()方法在java.io包中可用。

• writer() method is used to get a distinct PrintWriter object linked with this Console.

  writer()方法用于獲取與此控制臺鏈接的獨特PrintWriter對象。

• writer() 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.

  writer()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。

• writer() method does not throw an exception at the time of returning associated PrintWriter.

  返回關聯的PrintWriter時， writer()方法不會引發異常。

Syntax:

句法：

public PrintWriter writer();

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 PrintWriter, it gets PrintWriter object linked with this Console.

該方法的返回類型為PrintWriter ，它獲取與此控制臺鏈接的PrintWriter對象。

Example:

例：

// Java program to demonstrate the example // of PrintWriter writer() method of Consoleimport java.io.*;public class WriterOfConsole {public static void main(String[] args) {try {// Instantiates Console , PrintWriter// objectConsole con = System.console();PrintWriter pw = con.writer();// Display by using PrintWriter // object pwpw.println("con.writer(): " + "Java Programming!!!");} catch (Exception ex) {System.out.println(ex.toString());}} }

Output

輸出量

con.writer(): Java Programming!!!

翻譯自: https://www.includehelp.com/java/console-writer-method-with-example.aspx

console java

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