復利計算器

import java.util.Scanner;public class Fulijisuan {public static void main(String[] args) {// TODO Auto-generated method stubdouble F=0;double singlesum=0;double doublesum=0;double m=0;Scanner scanner =new Scanner(System.in);System.out.println("1:復利計算\n2:單利計算\n3:復利計算求本金\n4:復利計算求年限\n5:復利計算求年率");System.out.println("6:復利計算每年定投");System.out.print("請輸入您要求的:");int  n = scanner.nextInt();    switch (n){case 1:System.out.print("請輸入你本金:");double p = scanner.nextDouble();System.out.print("請輸入您的利率:");double i = scanner.nextDouble();System.out.print("請輸入您的年限:");double year = scanner.nextDouble();for(int j=1;j<=year;j++){F=p*i;p=p+F;}doublesum=p;System.out.print("復利后的終值為"+doublesum+"");break;case 2:System.out.print("請輸入你本金:");double p2 = scanner.nextDouble();System.out.print("請輸入您的利率:");double i2 = scanner.nextDouble();System.out.print("請輸入您的年限:");double year2 = scanner.nextDouble();for(int j=1;j<=year2;j++){F=p2*i2;m=m+F;}singlesum=p2+m;System.out.print("單利后的終值為"+singlesum+"");break;case 3:System.out.print("請輸入你總額:");double sum = scanner.nextDouble();System.out.print("請輸入你利率:");double i3 = scanner.nextDouble();System.out.print("請輸入你期限:");double year3 = scanner.nextDouble();i3=1+i3;for(int j=1;j<=year3;j++){sum=sum/i3;}p=sum;System.out.print("應存本金為"+p+"");break;case 4:int year4=0;System.out.print("請輸入你本金:");double p4 = scanner.nextDouble();System.out.print("請輸入你利率:");double i4 = scanner.nextDouble();System.out.print("請輸入你總額:");double sum4 = scanner.nextDouble();while(p4<sum4){for(int j=1;j<100;j++);{p4=p4*(1+i4);year4++;}}System.out.print("到"+sum4+"的時間要"+year4+"年");break;case 5:double i5;System.out.print("請輸入你本金:");double p5 = scanner.nextDouble();System.out.print("請輸入你總額:");double sum5 = scanner.nextDouble();System.out.print("請輸入你期限:");double year5 = scanner.nextDouble();i5=Math.pow(sum5/p5, 1/year5)-1;System.out.print("在"+year5+"年內從"+p5+"到"+sum5+"的利率為:"+(float)i5+"");break;case 6:System.out.print("請輸入你本金:");double p6 = scanner.nextDouble();System.out.print("請輸入你利率:");double i6 = scanner.nextDouble();System.out.print("請輸入你期限:");double year6 = scanner.nextDouble();double F6=p6;for(int j=1;j<=year6;j++){p6=p6*(1+i6);if(year6!=j)p6=p6+F6;}System.out.print("每年定投的產生的總額:"+p6+"");}}
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實驗回顧

?? 對于我這種編寫代碼能力有限的同學來說 這個復利計算器的實現 有點難度，所以是在同學幫助下完成的。。。博客簡短;水平有限.望老師們見諒，我會在接下來的學習過程中慢慢提高自己的編碼能力的。