Java ThreadLocal remove() 方法

2024年12月30日 | 阅读时长 1 分钟

ThreadLocal 类的 remove() 方法用于移除当前线程中此线程局部变量的值。

语法

此方法不返回任何值。

示例

public class ThreadLocalRemoveExp 
{
    public static void main(String[] args)
    {
        ThreadLocal<String> tlocal1 = new ThreadLocal<String>();
        ThreadLocal<Number> tlocal2 = new ThreadLocal<Number>();
 
        // setting the value
        tlocal1.set("javatpoint");
        // returns the current thread's value of this thread-local
        System.out.println("Value: " + tlocal1.get());
 
        // setting the value
        tlocal2.set(100);
        // returns the current thread's value of this thread-local
        System.out.println("Value: " + tlocal2.get());
 
        // removing value
        tlocal1.remove();
    
        // returns the current thread's value of
        System.out.println("Value: " + tlocal1.get());
 
        // removing value
        tlocal2.remove();
 
        // returns the current thread's value of this thread-local
        System.out.println("Value: " + tlocal2.get());
    }
}

输出

Value: javatpoint
Value: 100
Value: null
Value: null

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Java ThreadLocal remove() 方法

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