1 import java.util.Scanner;
2
3 public class Fulijisuan {
4
5 public static void main(String[] args) {
6 // TODO Auto-generated method stub
7 double N=1;
8 Scanner scanner=new Scanner(System.in);
9 System.out.print("若要计算本金请按3否则按0:");
10 int num=scanner.nextInt();
11 if(num==3){
12 double money;
13 float year=30;
14 float total=3000000;
15 double a=0.30;
16 for(int j=1;j<=year;j++){
17 N=(1+a)*N;
18 }
19 money=total/N;
20 System.out.println("需要本金："+money);
21 }
22 System.out.print("请选择复利计算(1)or单利计算(2):");
23 int choose=scanner.nextInt();
24
25 System.out.print("请输入本金：");
26 float P=scanner.nextInt();
27 System.out.print("请输入利率：");
28 float i=scanner.nextFloat();
29 System.out.print("存入时间：");
30 float n=scanner.nextFloat();
31
32 if(choose==1){
33 fuli(N, P, i, n);
34 }
35 else if(choose==2){
36 danli(P, i,n);
37 }
38
39 }
40
41 private static void danli(double P, double i,double n) {
42 double G;
43
44 G=P+P*i*n;
45 System.out.print("单利终值为："+G);
46 }
47
48 private static void fuli(double N, double P, double i, double n) {
49 for(int j=1;j<=n;j++){
50
51 N=(1+i)*N;
52 }
53 double F;
54 F=P*N;
55 System.out.print("复利终值为："+F);
56 }
57
58
59 }
