demo.java

来自「java2应用开发指南第一版」· Java 代码 · 共 14 行

class Demo
{
	public float fNumber;
	public Demo( float fNumber )
	{	
		this.fNumber = fNumber;
	}
	public static void main(String[] args)
	{
		Demo aDemo = new Demo( 5 );
	  	System.out.println(aDemo.fNumber);
	}
}