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Hutool是一个小而全的Java工具类库，通过静态方法封装，降低相关API的学习成本，提高工作效率，使Java拥有函数式语言般的优雅，让Java语言也可以“甜甜的”。

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package cn.hutool.core.thread.lock;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;

/**
 * 无锁实现
 *
 * @author looly
 *@since 4.3.1
 */
public class NoLock implements Lock{

	public static NoLock INSTANCE = new NoLock();

	@Override
	public void lock() {
	}

	@Override
	public void lockInterruptibly() {
	}

	@Override
	public boolean tryLock() {
		return true;
	}

	@SuppressWarnings("NullableProblems")
	@Override
	public boolean tryLock(long time, TimeUnit unit) {
		return true;
	}

	@Override
	public void unlock() {
	}

	@SuppressWarnings("NullableProblems")
	@Override
	public Condition newCondition() {
		throw new UnsupportedOperationException("NoLock`s newCondition method is unsupported");
	}

}