两个无关线程的运行结果互相包含对方内容是怎么回事?代码如下:public class NumberThread extends Thread {private int first;public NumberThread(String name, int first) { super(name); this.first = first;}public NumberThread(String name) { this(name, 0);}public void run() { System.out.print("\n"+this.getName()+": "); for(int i=first;i<50;i+=2) { System.out.print(i+" "); } System.out.print(this.getName()+"Finish!");}public static void main(String args[]) { System.out.println("Current thread ="+Thread.currentThread().getName()); NumberThread thread_odd = new NumberThread("奇数线程", 1); NumberThread thread_even = new NumberThread("偶数线程", 2); thread_even.start(); thread_odd.start(); System.out.println("activityCount="+thread_even.activeCount());}}运行结果:Current thread =mainactivityCount=3偶数线程: 2 4 6 奇数线程: 8 1 10 3 5 7 9 11 13 15 17 19 21 12 23 14 25 16 27 18 29 20 31 22 33 24 35 26 37 28 39 30 41 32 43 34 45 36 47 38 49 40 奇数线程Finish!42 44 46 48 偶数线程Finish!
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