softwarenumber.java

来自「java程序设计语言源代码」· Java 代码 · 共 25 行

//Example 3 of Chapter 3

public class SoftwareNumber
{
	private int serialNumber;
	public static int counter=0;
	
	public SoftwareNumber()
	{
		counter++;
		serialNumber=counter;
	}
	
	public static int getTotalNumber()
	{
		return counter;
	}
	
	public int getSerialNumber()
	{
		return serialNumber;
	}

}