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sne007/Tasks.java

Last active September 24, 2020 05:39
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Tasks.java
class Tasks {
public static void main(String[] args) {
Tasks t = new Tasks();
Task1 t1 = new Task1();
Task2 t2 = new Task2();
Task3 t3 = new Task3();
t1.start();
t2.start();
t3.start();
}
}
class Task1 extends Thread {
public void run() {
System.out.println("T1 is running on thread " + Thread.currentThread().getName());
int n = computePrimeNumber();
putPrimeNumberInDatabase(n);
}
public int computePrimeNumber() {
System.out.println("Computed prime number 17");
return 17;
}
public void putPrimeNumberInDatabase(int n) {
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("Successfully put " + n + " in the database");
}
}
class Task2 extends Thread {
public void run() {
System.out.println("T2 is running on thread " + Thread.currentThread().getName());
int n = computePrimeNumber();
putPrimeNumberInDatabase(n);
}
public int computePrimeNumber() {
System.out.println("Computed prime number 23");
return 23;
}
public void putPrimeNumberInDatabase(int n) {
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("Successfully put " + n + " in the database");
}
}
class Task3 extends Thread {
public void run() {
System.out.println("T3 is running on thread " + Thread.currentThread().getName());
int n = computePrimeNumber();
putPrimeNumberInDatabase(n);
}
public int computePrimeNumber() {
System.out.println("Computed prime number 13");
return 13;
}
public void putPrimeNumberInDatabase(int n) {
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("Successfully put " + n + " in the database");
}
}
/*
Output:
T1 is running on thread Thread-0
T3 is running on thread Thread-2
T2 is running on thread Thread-1
Computed prime number 13
Computed prime number 17
Computed prime number 23
Successfully put 17 in the database
Successfully put 23 in the database
Successfully put 13 in the database
*/
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