AlternateNumbers.java

// Write a Java program to Print alternate numbers using 2 Threads.

classNumbers {
intn = 0;
intend;

Numbers(intend) {
this.end = end;
 }

synchronizedvoidprintEvenNum() {
while (n <= end) {
if (n % 2 == 0) {
System.out.println(Thread.currentThread().getName() + " is printing " + n);
n++;
notify();
 } elseif (n % 2 != 0) {
try {
wait();
 } catch (InterruptedExceptione) {
e.printStackTrace();
 }
 }
 }
 }

synchronizedvoidprintOddNum() {
while (n <= end) {
if (n % 2 != 0) {
System.out.println(Thread.currentThread().getName() + " is printing " + n);
n++;
notify();
 } elseif (n % 2 == 0) {
try {
wait();
 } catch (InterruptedExceptione) {
e.printStackTrace();
 }
 }
 }
 }
}

publicclassAlternateNumbers {
publicstaticvoidmain(String[] args) {
finalNumbersnum = newNumbers(100);

newThread() {
publicvoidrun() {
num.printEvenNum();
 }
 }.start();
newThread() {
publicvoidrun() {
num.printOddNum();
 }
 }.start();
 }
}