package shiyan3_2;

class Manager extends Staff { public static float bonus;

public void setBonus(float bonus){ this. = bonus; }

public float getBonus(){ return this.; }

public String toString(){

return super.toString() + ',' + this.; } }

package shiyan3_2;

public class shiyan3_2 {

public static void main(String[] args) { Staff s = new Staff(); s.setName("himi"); s.setNum("2010"); s.setPay(1000.0f);

System.out.println(s.toString());

Manager m = new Manager(); m.setName("Steve"); m.setNum("2012"); m.setPay(5000.0f); m.setBonus(1000.0f);

System.out.println(m.toString()); } }

运行结果是：