Below is example for Inter thread communication:
public class Main {
public static void main(String[] args) {
Chat m = new Chat();
new T1(m);
new T2(m);
}
}
class Chat {
boolean flag = false;
public synchronized void FromSam(String msg) {
if (flag) {
try {
wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
System.out.println(msg);
flag = true;
notify();
}
public synchronized void FromJam(String msg) {
if (!flag) {
try {
wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
System.out.println(msg);
flag = false;
notify();
}
}
class T1 implements Runnable {
Chat m;
String[] s1 = { "Hello Jam", "How are you ?", "I am also doing fine!" };
public T1(Chat m1) {
this.m = m1;
new Thread(this, "Sam").start();
}
public void run() {
for (int i = 0; i < s1.length; i++) {
m.FromSam(s1[i]);
}
}
}
class T2 implements Runnable {
Chat m;
String[] s2 = { "HI Sam", "I am good,And U ?", "ha haa" };
public T2(Chat m2) {
this.m = m2;
new Thread(this, "Jam").start();
}
public void run() {
for (int i = 0; i < s2.length; i++) {
m.FromJam(s2[i]);
}
}
}