Declare a shared array, up to two threads, two threads at a time (you can write a random number), add data to the array, and each thread adds 3 data to the group. __java Advanced Practice

Package com.heima.test;

Import Java.util.Random;
     public class Test11 {/** declares a shared array, up to two threads, two threads at intervals (can write a random number), adds data to the array, and each thread adds 3 data to the group.
        * @param args */public static void main (string[] args) {Thread T1 = new Mythread ();
        Thread t2 = new Mythread (); T1.setname ("First thread.")
        "); T2.setname ("Second thread").
        ");
        T1.start ();
    T2.start ();
    } class Mythread extends thread{private static int arr[] = new INT[6];
    private static int j = 0; public void Run () {for (int i = 0;i < 3; i++) {try {Thread.
                    Sleep (1000);
                    catch (Interruptedexception e) {e.printstacktrace ();
                } addarray ();
            } public void AddArray () {synchronized (mythread.class) {Random r = new Random ();
            int num = r.nextint (100) +1; ARR[J] = nUm
            System.out.println (Thread.CurrentThread (). GetName () + "arr[" +j+ "]=" +num);
        j + +; }


    }
}