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());
}
}
【A.】58.0, 256.0
【B.】57.0, 255.0
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