Java Socket isClosed () 方法

2025年3月25日 | 1 分钟阅读

Java Socket 类的 isClosed () 方法返回套接字已关闭的状态。

语法

参数

不适用

如果套接字已成功关闭，则 isClosed () 方法将返回布尔值 'true'。

示例 1

import java.io.IOException;
import java.net.*;
public class JavaSocketIsClosedExample1  {
    public static void main(String[] args) throws IOException {
        //calling the constructor of the socket class
        Socket socket = new Socket();
        //closing the socket
        socket.close();
        //isClosed() method returns the closing state of the socket
        System.out.println("The socket is closed: "+socket.isClosed());
    }
}

输出

The socket is closed: true

示例 2

import java.io.IOException;
import java.net.*;
public class JavaSocketIsClosedExample2  {
    public static void main(String[] args) throws IOException {
        //calling the constructor of the socket class
        Socket socket = new Socket();
        //isClosed() method returns the closing state of the socket
        //it will return false as the socket is not closed
        System.out.println("The socket is closed: "+socket.isClosed());
    }
}

输出

The socket is closed: false

下一主题Java Socket 类

Java Socket isClosed () 方法

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示例 1

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Java Socket isClosed () 方法

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示例 1

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