package threadbook.ch07;

public class BothInMethod extends Object {

private String objID;

public BothInMethod(String objID) {

this.objID = objID;

}

public void doStuff(int val) {

print("entering doStuff()");

int num = val * 2 + objID.length();

print("in doStuff() - local variable num=" + num);

// slow things down to make observations

try { Thread.sleep(2000); } catch ( InterruptedException x ) { }

print("leaving doStuff()");

}

public void print(String msg) {

threadPrint("objID=" + objID + " - " + msg);

}

public static void threadPrint(String msg) {

String threadName = Thread.currentThread().getName();

System.out.println(threadName + ": " + msg);

}

public static void main(String[] args) {

final BothInMethod bim = new BothInMethod("obj1");

Runnable runA = new Runnable() {

public void run() {

bim.doStuff(3);

}

};

Thread threadA = new Thread(runA, "threadA");

threadA.start();

try { Thread.sleep(200); } catch ( InterruptedException x ) { }

Runnable runB = new Runnable() {

public void run() {

bim.doStuff(7);

}

};

Thread threadB = new Thread(runB, "threadB");

threadB.start();

}

}