JavaExercises/Java 3/J3Lesson4/WaitNotifyClass.java at master · biblelamp/JavaExercises · GitHub

History

48 lines (45 loc) · 1.32 KB

Raw

public class WaitNotifyClass {

private final Object monitor = new Object();

private volatile char currentLetter = 'A';

public static void main(String[] args) {

WaitNotifyClass w = new WaitNotifyClass();

Thread t1 = new Thread(() -> {

w.printA();

});

Thread t2 = new Thread(() -> {

w.printB();

});

t1.start();

t2.start();

}

void printA() {

synchronized (monitor) {

try {

for (int i = 0; i < 3; i++) {

while (currentLetter != 'A')

monitor.wait();

System.out.print("A");

currentLetter = 'B';

monitor.notify();

}

} catch (InterruptedException ex) {

ex.printStackTrace();

}

void printB() {

synchronized (monitor) {

try {

for (int i = 0; i < 3; i++) {

while (currentLetter != 'B')

monitor.wait();

System.out.print("B");

currentLetter = 'A';

monitor.notify();

}

} catch (InterruptedException ex) {

ex.printStackTrace();

}

JavaExercises/Java 3/J3Lesson4/WaitNotifyClass.java at master · biblelamp/JavaExercises · GitHub

Expand file tree

Breadcrumbs

WaitNotifyClass.java

Latest commit

History

Breadcrumbs

WaitNotifyClass.java

File metadata and controls