[Ch15] Updating the example that shows multiple stacks (b27dea1f) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch15/MyRunnable.java

0 → 100644

+37 −0

Changes for src/main/java/ch15/MyRunnable.java: 37 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch15;

		public class MyRunnable implements Runnable {

		public void run() {
		go();
		}

		public void go() {
		doMore();
		}

		public void doMore() {
		System.out.println(Thread.currentThread().getName() + ": top o’ the stack \n" + StackUtils.getCurrentStack());
		}

		}

		class ThreadTester {
		public static void main (String[] args) {
		Runnable threadJob = new MyRunnable();
		Thread myThread = new Thread(threadJob);

		myThread.start();

		System.out.println(Thread.currentThread().getName() + ": back in main \n" + StackUtils.getCurrentStack());
		}
		}

		class StackUtils {
		static String getCurrentStack() {
		StringBuffer stack = new StringBuffer();
		StackWalker.getInstance()
		.forEach(stackFrame -> stack.append(stackFrame.toString()).append("\n"));
		return stack.toString();
		}
		}