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問題:java 中如何讓一個正在啟動並執行線程終止掉?
Demo_1:
class TT implements Runnable {private boolean flag = true;@Overridepublic void run() {int i = 0;while(flag) {System.out.println("child thread: "+i++);}}public void shutDowm() {flag = false;}}class TestThread {public static void main(String[] args) {TT tt = new TT();Thread t = new Thread(tt);t.start();for(int i = 0; i < 4; i++) {System.out.println("the main Thread is running : "+i);}System.out.println("Thread main is void");tt.shutDowm();}}
Demo_2:
class TT implements Runnable {@Overridepublic void run() {for(int i = 1; i <= 589; i++){System.out.println("subThread: "+ i);}}}class TestThread {public static void main(String[] args) {TT tt = new TT();Thread t = new Thread(tt);t.start();try {t.join();} catch (InterruptedException e) {}for(int i = 0; i < 8; i++) {System.out.println("main Thread is running : "+i);}}}
Demo_3:
class TT extends Thread {@Overridepublic void run() {for(int i = 1; i <= 5; i++){System.out.println("subThread: "+ i);}}}class TestThread {public static void main(String[] args) {TT tt = new TT();tt.start();Thread dd = new TT();dd.start();for(int i = 0; i < 8; i++) {System.out.println("main Thread is running : "+i);}}}
運行結果:
main Thread is running : 0
main Thread is running : 1
main Thread is running : 2
subThread: 1
subThread: 1
subThread: 2
subThread: 2
main Thread is running : 3
main Thread is running : 4
main Thread is running : 5
main Thread is running : 6
main Thread is running : 7
subThread: 3
subThread: 4
subThread: 5
subThread: 3
subThread: 4
subThread: 5
Java中終止正在運行線程