[Java] Thread.join()

JamesThread.java

package com.jwsoft.javaproject;

import android.util.Log;

public class JamesThread extends Thread {

    @Override
    public void run() {
        super.run();
        Log.e("NickName : ", "혀가 길지 않은 개발자");
        showLastName();
        showFirstName();
    }

    public void showLastName() {
        Log.e("LastName : ", "Kim");
    }

    public void showFirstName() {
        Log.e("FirstName : ", "James");
    }

}

 

 

 

 

 

 

 

 

 

MainActivity.java

package com.jwsoft.javaproject;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Log.e("", "Thread START");

        JamesThread jamesThread = new JamesThread();
        jamesThread.start();

        Log.e("", "Thread END");

    }

}

실행 결과

 

 

 

 

 

 

 

---

MainActivity.java

package com.jwsoft.javaproject;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Log.e("", "Thread START");

        JamesThread jamesThread = new JamesThread();
        jamesThread.start();

        try {
            jamesThread.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        Log.e("", "Thread END");

    }

}

jamesThread.join() 추가

 

실행 결과