Java线程同步的四种方式详解(建议收藏) public class SynchronizedThread { class Bank { private int account = 200; public int getAccount() { return account; } / * 用同步方法实现 * * @param money */ public synchronized void save(int money) { account += money; } / * 用同步代码块实现 * * @param money */ public void save1(int money) { synchronized (this) { account += money; } } } class NewThread implements Runnable { private Bank bank; public NewThread(Bank bank) { this.bank = bank; } @Override public void run() { for (int i = 0; i < 10; i++) { // bank.save1(10); bank.save(10); System.out.println(i + “账户余额为：” + bank.getAccount()); } } } / * 建立线程，调用内部类 */ public void useThread() { Bank bank = new Bank(); NewThread new_thread = new NewThread(bank); System.out.println(“线程1”); Thread thread1 = new Thread(new_thread); thread1.start(); System.out.println(“线程2”); Thread thread2 = new Thread(new_thread); thread2.start(); } public static void main(String[] args) { SynchronizedThread st = new SynchronizedThread(); st.useThread(); } }
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