格式化程序类out()方法 (Formatter Class out() method)

• out() method is available in java.util package.

  out()方法在java.util包中可用。

• out() method is used to get Appendable for the output.

  out()方法用于获取输出的Appendable。

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

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

• out() method may throw an exception at the time of returning destination for the output.

  在返回输出的目标位置时， out()方法可能会引发异常。

  FormatterClosedException: This exception may throw when this Formatter close by calling its close() method.

  FormatterClosedException ：当此Formatter通过调用其close()方法关闭时，可能会引发此异常。

Syntax:

句法：

    public Appendable out();

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 this method is Appendable, it returns Appendable for the output.

此方法的返回类型为Appendable ，它为输出返回Appendable。

Example:

例：

// Java program is to demonstrate the example of
// out() method of Formatter
import java.util.*;
public class OutOfFormatter {public static void main(String[] args) {// Instantiates a StringBuffer and Formmatter object
StringBuffer sb = new StringBuffer();
Formatter formatt = new Formatter(sb, Locale.UK);
// By using format() method is to format
// a string
formatt.format("Hi %s !", "IncludeHelp");
// Display Formatted String
System.out.println(formatt);
// By using out() method is to
// return the output formatted by
// this Formatter
System.out.println("formatt.out(): " + formatt.out());
}
}

Output

输出量

Hi IncludeHelp !
formatt.out(): Hi IncludeHelp !

翻译自: https://www.includehelp.com/java/formatter-out-method-with-example.aspx