局域网活跃主机扫描

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package example;

import java.io.IOException;
import java.net.InetAddress;

/**
 *
 * @author silianbo
 */
public class test {

    public static void main(String[] args) throws IOException {
        String ip = "192.168.1.";
        for (int i = 1; i < 256; i++) {
            String host = ip + i;
            InetAddress ia = InetAddress.getByName(host);
            boolean bool = ia.isReachable(1500);
            if (bool) {
                System.out.println("主机: " + host + " 可用");
            }

        }

    }
}