void remove()
描述 (Description)
java.lang.ThreadLocal.remove()方法删除此线程局部变量的当前线程值。
声明 (Declaration)
以下是java.lang.ThreadLocal.remove()方法的声明
public void remove()
参数 (Parameters)
NA
返回值 (Return Value)
此方法不返回任何值。
异常 (Exception)
NA
例子 (Example)
以下示例显示了java.lang.ThreadLocal.remove()方法的用法。
package com.iowiki;
import java.lang.*;
public class ThreadLocalDemo {
public static void main(String[] args) {
ThreadLocal<Integer> tlocal = new ThreadLocal<Integer>();
/* sets the current thread's copy of this thread-local variable
to the specified value. */
tlocal.set(50);
// returns the current thread's value of this thread-local
System.out.println("value = " + tlocal.get());
// removes the current thread's value
tlocal.remove();
// returns the current thread's value of this thread-local
System.out.println("value = " + tlocal.get());
}
}
让我们编译并运行上面的程序,这将产生以下结果 -
value = 50
value = null