realestate.java

来自「Java程序设计大学教程程序源代码」· Java 代码 · 共 18 行

package jbookch4.gardensys2;

public class Realestate implements IGain {
    public Realestate(String name, float in) {
        project = name;
        investment = in;
    }

    public float gain() {
        float g = investment * 0.25f- 20000; //房地产项目要扣除20000许可证费用
        System.out.println(project + "项目投入" + investment + "，收益为" + g);
        return g;
    }

    private String project;
    private float investment;
}