Java PrintWriter flush（）方法与示例

超、凢脫俗 2023-03-05 15:55 14阅读 0赞

## PrintWriter类flush()方法 **(**PrintWriter Class flush() method**)** ##

*  **flush() method** is available in java.io package.
    
    **flush()方法**在java.io包中可用。
 *  **flush() method** is used to flush this stream.
    
    **flush()方法**用于刷新此流。
 *  **flush() 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.
    
    **flush()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。
 *  **flush() method** does not throw an exception at the time of flushing the stream.
    
    **flush()方法**在刷新流时不会引发异常。

**Syntax:**

**句法：**

public void flush();

**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 void, it returns nothing.

该方法的返回类型为void ，不返回任何内容。

**Example:**

**例：**

// Java program to demonstrate the example 
    // of void flush() method of PrintWriter
    
    import java.io.*;
    
    public class FlushOfPW {
        
        public static void main(String[] args) {
        
            String str = "Java Programming";
    
            // Instantiates PrintWriter
            PrintWriter p_stm = new PrintWriter(System.out);
    
            // Display str
            p_stm.println("str: " + str);
    
            // By using flush() method is to flush
            // the stream i.e. write the byte out
            // immediately
            p_stm.flush();
            System.out.println("Stream Flushed...");
        }
    }

**Output**

**输出量**

str: Java Programming
    Stream Flushed...

> 翻译自: [https://www.includehelp.com/java/printwriter-flush-method-with-example.aspx][https_www.includehelp.com_java_printwriter-flush-method-with-example.aspx]

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