public Test(){
    lock1 = new ReentrantLock();
    lock2 = new ReentrantLock();
    condition1 = lock1.newCondition();
    condition2 = lock2.newCondition();
}

public void function1() {
       lock1.lock();
       .....
       lock1.unlock();
    }

public void function2() {
            lock2.lock();
            .....
            lock2.unlock();
}

public void function3() {

            .....

}

public static void main(){
    Test test = new Test();
    for(int i = 0; i < 10;i++){
         WorkerThread workerThread = new WorkerThread(test);
         workerThread.start();
   }
 }

public class WorkerThread extends Thread {

    private Test test;

    public WorkerThread(Test test) {
        this.test = test;
    }

    @Override
    public void run() {
        while (true) {
            test.function1();
            test.function2();
        }
    }
}