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37 lines
606 B
37 lines
606 B
1.使用synchronized关键字同步线程
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package step2;
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public class Task {
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public static void main(String[] args) {
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final insertData insert = new insertData();
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for (int i = 0; i < 3; i++) {
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new Thread(new Runnable() {
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public void run() {
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insert.insert(Thread.currentThread());
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}
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}).start();
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}
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}
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}
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class insertData {
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public static int num = 0;
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/********* Begin *********/
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public synchronized void insert(Thread thread) {
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for (int i = 0; i <= 5; i++) {
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num++;
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System.out.println(num);
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}
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}
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/********* End *********/
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}
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