Java 类型的方法套接字(字符串,int)未定义
我正在尝试让一个基本的客户端学习套接字,出于某种原因,我似乎无法创建套接字对象,尽管文档说它应该能够接受字符串int组合。我在什么地方搞砸了吗Java 类型的方法套接字(字符串,int)未定义,java,sockets,Java,Sockets,我正在尝试让一个基本的客户端学习套接字,出于某种原因,我似乎无法创建套接字对象,尽管文档说它应该能够接受字符串int组合。我在什么地方搞砸了吗 import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.InetAddress; import java.net.Socket; import java.util.Scanner; publi
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.util.Scanner;
public class JokeClient {
public static void main(String[] args) {
// Ensures they have to have a length of 2
int PORT_NUM = 3363;
String ipAddress = "127.0.0.1";
if (args.length == 2) {
PORT_NUM = Integer.parseInt(args[1]);
ipAddress = args[0];
}
else {
if (args.length > 0) {
System.err.println("programName <ipAddress/hostname> <portNum>");
System.exit(1);
}
else
System.out.println("Assuming you want defaults of IP Address: " + ipAddress + "\nPort Number: " + PORT_NUM);
}
System.out.println("Setting up client...");
Scanner textIn = new Scanner(System.in);
try {
Socket clientSock = Socket(ipAddress, PORT_NUM);
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
} catch (Exception e) {
System.out.println("Error connecting to: " + ipAddress + " on:" + PORT_NUM + "\nError: " + e);
}
}
}
导入java.io.BufferedReader;
导入java.io.InputStreamReader;
导入java.io.PrintWriter;
导入java.net.InetAddress;
导入java.net.Socket;
导入java.util.Scanner;
公共类笑话客户端{
公共静态void main(字符串[]args){
//确保其长度必须为2
int PORT_NUM=3363;
字符串ipAddress=“127.0.0.1”;
如果(args.length==2){
PORT_NUM=Integer.parseInt(args[1]);
ipAddress=args[0];
}
否则{
如果(args.length>0){
System.err.println(“程序名”);
系统出口(1);
}
其他的
System.out.println(“假设您想要IP地址的默认值:“+ipAddress+”\n端口号:“+PORT\u NUM”);
}
System.out.println(“设置客户端…”);
扫描仪文本输入=新扫描仪(System.in);
试一试{
Socket clientSock=Socket(IP地址,端口号);
PrintWriter out=新的PrintWriter(clientSocket.getOutputStream(),true);
BufferedReader in=新的BufferedReader(新的InputStreamReader(clientSocket.getInputStream());
}捕获(例外e){
System.out.println(“连接到:“+PORT\u NUM+”\n上的“+ipAddress+”时出错”);
}
}
}
clientSocket的创建是我正在尝试的实例化的问题。我用错插座了吗 构造类的实例需要
new
关键字:
Socket clientSocket = new Socket(ipAddress, PORT_NUM);
<>否则编译器会把它看作是一个普通的方法而不是构造函数。我忘记了“新建”。桌面