java语言程序设计(基础篇)第十版编程练习题[2.11]

(人口统计)重写编程练习题 1.11 , 提示用户输人年数，然后显示这个年数之后的人口值。将编
程练习题 1.1丨中的提示用于这个程序。人口数应该类型转换为一个整数。

/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package dome2_11;

import com.sun.glass.ui.SystemClipboard;
import java.util.Scanner;

/**
*
* @author Administrator
*/
public class Dome2_11 {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
Scanner in = new Scanner(System.in);
int second = 0;
int nowpeople = 312032486;
second = 365 * 24 * 60 * 60;
double birth = second / 7.0;
double death = second / 13.0;
double immigrant = second / 45.0;
System.out.print("Enter the number of years:");
int years = in.nextInt();
int oneyears = (int)(birth - death + immigrant);
int people = nowpeople + years * oneyears;
System.out.println("The population in 5 years is " + people);
}

}