Java AtomicLong getAndIncrement() 方法

2025年3月20日 | 阅读时长1分钟

Java AtomicLong 类的 getAndAdd() 方法返回当前值，并将当前值增加 1。此方法等同于 AtomicLong getAndAdd(1) 方法。

语法

返回值

先前的值

示例 1

import java.util.concurrent.atomic.AtomicLong;
public class AtomicLongGetAndIncrementExample1 {
	public static void main (String [] args) {
		AtomicLong atomiclong = new AtomicLong();
		//Sets the Initialized value
		Long result = atomiclong.getAndIncrement();
		//Prints the Initialized value
		System.out.println("Initialized Value :" + result);
		//Increases the Initialized value by 1
		System.out.println("Incremented Value: " + atomiclong.getAndIncrement());
	}
}

输出

Return Value : 0
Incremented Value : 1

示例 2

import java.util.concurrent.atomic.AtomicLong;
public class AtomicLongGetAndIncrementExample2 {
	public static void main (String [] args) {
		AtomicLong atomiclong = new AtomicLong(10);
		//Sets the Initialized value
		Long result = atomiclong.getAndIncrement();
		//Prints the Initialized value
		System.out.println("Initialized Value : " + result);
		//Increases the Initialized value by 1
		System.out.println("Incremented Value : " + atomiclong.getAndIncrement());
	}
}

输出

Return Value : 10
Incremented Value : 11

示例 3

import java.util.concurrent.atomic.AtomicLong;
public class AtomicLongGetAndIncrementExample3 {
		public static void main (String [] args) {
		AtomicLong atomiclong = new AtomicLong(-20);
		//Sets the Initialized value
		Long result = atomiclong.getAndIncrement();
		//Prints the Initialized value
		System.out.println("Initialized Value : " + result);
		//Increases the Initialized value by 1
		System.out.println("Incremented Value : " + atomiclong.getAndIncrement());
	}
}

输出

Return Value : -20
Incremented Value : -19

下一主题Java AtomicLong 类

Java AtomicLong getAndIncrement() 方法

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示例 1

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Java AtomicLong getAndIncrement() 方法

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