functransfer1.java.bak

java课件及例程有一些PPT及一些例程

//Functransfer1.java
 class Functransfer1{
    void changex(float x)
    {
        System.out.println("x = "+x);
        x *= 3.4;
        System.out.println("x = "+x);
    }
}
class Classmain{    
    public static void main(String args[])
    {
        float d;
        d = 7.8f;
        System.out.println("d = "+d);
        Functransfer1 ft = new Functransfer1();
        ft.changex(d);
        System.out.println("d = "+d);
    }
}