evilempire.java

来自「learning java的源代码。书中每个实例都有相关的代码example。」· Java 代码 · 共 15 行

//file: EvilEmpire.java
import java.net.*;

public class EvilEmpire {
  public static void main(String[] args) throws Exception{
    try {
      Socket s = new Socket("???.???.???.???", 80);
      System.out.println("Connected!");
    }
    catch (SecurityException e) {
      System.out.println("SecurityException: could not connect.");
    }
  }
}