lecture

Author: onjsdnjs

src/main/java/io/concurrency/chapter02/exam01/ExtendThreadExample.java

@@ -8,7 +8,6 @@ public static void main(String[] args) {
 
             MyThread thread2 = new MyThread();
             thread2.start();
-
 //            new MyThread().start();
         }
     }

src/main/java/io/concurrency/chapter02/exam02/MultiThreadAppTerminatedExample.java

@@ -0,0 +1,31 @@
+package io.concurrency.chapter02.exam02;
+
+public class MultiThreadAppTerminatedExample {
+    public static void main(String[] args) {
+        System.out.println("프로그램 시작");
+
+        // 멀티스레드 실행
+        for (int i = 0; i < 3; i++) {
+            Thread thread = new Thread(new MyRunnable(i));
+            thread.start();
+        }
+
+        System.out.println("메인 스레드 종료");
+    }
+
+    private static class MyRunnable implements Runnable {
+        private int threadId;
+
+        public MyRunnable(int threadId) {
+            this.threadId = threadId;
+        }
+
+        @Override
+        public void run() {
+            for (int i = 0; i < 5; i++) {
+                System.out.println("스레드 " + threadId + " 작업 진행: " + i);
+            }
+            System.out.println("스레드 " + threadId + " 종료");
+        }
+    }
+}

src/main/java/io/concurrency/chapter02/exam02/SingleThreadAppTerminatedExample.java

@@ -0,0 +1,16 @@
+package io.concurrency.chapter02.exam02;
+
+public class SingleThreadAppTerminatedExample {
+
+    public static void main(String[] args) {
+        System.out.println("프로그램 시작");
+
+        // 단순한 작업 실행
+        for (int i = 0; i < 5; i++) {
+            System.out.println("작업 진행: " + i);
+        }
+
+        System.out.println("프로그램 종료");
+    }
+
+}

src/main/java/io/concurrency/chapter02/exam02/ThreadStackExample.java

@@ -0,0 +1,36 @@
+package io.concurrency.chapter02.exam02;
+
+public class ThreadStackExample {
+
+    public static void main(String[] args) {
+        // 스레드를 3개 생성하고 시작
+        for (int i = 0; i < 3; i++) {
+            Thread thread = new Thread(new MyRunnable(i));
+            thread.start();
+        }
+    }
+
+    private static class MyRunnable implements Runnable {
+        private int threadId;
+
+        public MyRunnable(int threadId) {
+            this.threadId = threadId;
+        }
+
+        @Override
+        public void run() {
+            firstMethod(threadId);
+        }
+
+        private void firstMethod(int id) {
+            int localValue = id + 100; // 지역 변수
+            secondMethod(localValue);
+        }
+
+        private void secondMethod(int value) {
+            String localVar = "스레드 ID: " + threadId + ", Value: " + value;
+            System.out.println(localVar);
+        }
+    }
+
+}