java入門--- 執行緒操作例項之獲取所有執行緒
阿新 • • 發佈:2019-02-15
以下例項演示瞭如何使用 getName() 方法獲取所有正在執行的執行緒:
public class Main extends Thread {
public static void main(String[] args) {
Main t1 = new Main();
t1.setName("thread1");
t1.start();
ThreadGroup currentGroup =
Thread.currentThread().getThreadGroup();
int noThreads = currentGroup.activeCount();
Thread[] lstThreads = new Thread[noThreads];
currentGroup.enumerate(lstThreads);
for (int i = 0; i < noThreads; i++)
System.out.println("執行緒號:" + i + " = " + lstThreads[i].getName());
}
}
以上程式碼執行輸出結果為:
執行緒號:0= main 執行緒號:1= thread1