package homeWork;
public class HousePurchas {
//计算总利息
public double totalInterest(int num,int year){
double total = 0;
if(year==3){
total = num*0.0603;
}
if (year == 5){
total = num*0.0612;
}
if (year == 20){
total = num*0.0639;
}
return total;
}
//计算每月还款金额
public double repay(int num,double total,int year){
double repays = (num+total)/(year*12);
return repays;
}
}
package homeWork;
public class House {
private double toalinterest; //总利息
private int year;//贷款年份
private int summoney;//贷款总金额
private double nummonth;//每月还款金额
//定义无参变量
public House() {
}
public House(double toalinterest, int year, int summoney, int nummonth) {
this.toalinterest = toalinterest;
this.year = year;
this.summoney = summoney;
this.nummonth = nummonth;
}
//定义有参变量
//封装为set，get
public double getToalinterest() {
return toalinterest;
}
public void setToalinterest(double toalinterest) {
this.toalinterest = toalinterest;
}
public int getYear(int b) {
return year;
}
public void setYear(int year) {
this.year = year;
}
public int getSummoney(int a) {
return summoney;
}
public double getNum() {
return nummonth;
}
public void setNum(int num) {
this.nummonth = nummonth;
}
public void setSummoney(int summoney) {
this.summoney = summoney;
}
//计算总利息
public void calint(){
if (this.year==3){
this.toalinterest = this.summoney*0.0603;
}
if (this.year==5){
this.toalinterest = this.summoney*0.0612;
}
if (this.year==20){
this.toalinterest = this.summoney*0.0639;
}
}
//计算每月还款金额
public void repamo(){
this.nummonth=(this.toalinterest+this.summoney)/(this.year*12);
}
//打印方法
public void disply(){
System.out.println("***月供为："+this.nummonth);
}
}
package homeWork;
import java.util.Scanner;
public class HouseTest {
public static void main(String[] args) {
System.out.println("输入贷款金额：");
Scanner scanner = new Scanner(System.in);
int a = scanner.nextInt();
System.out.println("请选择贷款年限：1.3年（3年（36个月） 2.5年（60个月） 3.20年（240个月） ");
int b =scanner.nextInt();
House house =new House();
house.setSummoney(a);
house.setYear(b);
house.calint();
house.repamo();
house.disply();
}
}
