staticemployee.java

来自「国外的数据结构与算法分析用书」· Java 代码 · 共 23 行

/**	A simple class used to demonstate finalize() and static fields (class variables). */
public class StaticEmployee
{
	static int numEmployees = 0; // shared by all StaticEmployees
	int ID; // employee id
	String name, address;

	public StaticEmployee(String n, int i, String a)
	{
		name = n;
		ID = i;
		address = a;
		numEmployees++; // increment number of employees
	}

	/**	Called when an instance is reclaimed by the garbage collector. */
	protected void finalize()
	{
		System.out.println(name + " reclaimed by garbage collection.");
		numEmployees--; // decrement number of employees
	}
}