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public class Test extends Thread {
private int a;
public Test() {}
public Test(int a) {
this.a = a;
}
public static void main(String[] args) throws InterruptedException {
int sum = 0;
for (int i = 0; i < 3; i++) {
Test test = new Test();
test.start();
sleep(100);
System.out.print(test.a+" ");
sum += test.a;
}
System.out.println();
System.out.println(sum);
}
public void run() {
a = (int) (Math.random()*10);
}
}