国开 / 面向对象程序设计
public class XXK2 {
private int a;
public XXK2() {a=3;}
public XXK2(int aa) {a=aa;}
public double f1() {
return 2*Math.pow(a,3)+a;
}
public static void main(String[] args) {
XXK2 x=new XXK2(), y=new XXK2(5);
System.out.println(x.f1()+", "+y.f1());
}
}
67.0, 255.0
57.0, 255.0
private int a;
public XXK2() {a=3;}
public XXK2(int aa) {a=aa;}
public double f1() {
return 2*Math.pow(a,3)+a;
}
public static void main(String[] args) {
XXK2 x=new XXK2(), y=new XXK2(5);
System.out.println(x.f1()+", "+y.f1());
}
}
67.0, 255.0
57.0, 255.0
参考答案：
佳题速递：