Java 计算用户定义年数内四个季度的降雨量
我是Java新手,正在尝试做一项作业……但我现在感觉迷路了。我们还没有介绍数组,所以我们的词汇表有点有限 1.)修改当前代码,使其能够处理多年的降雨数据。为用户提供选项,以提供他们希望在计划中输入以进行评估的实际年数。该程序必须输出降雨量最多的年份(即第1年、第2年等)和总降雨量最少的年份 下面是我的代码:Java 计算用户定义年数内四个季度的降雨量,java,Java,我是Java新手,正在尝试做一项作业……但我现在感觉迷路了。我们还没有介绍数组,所以我们的词汇表有点有限 1.)修改当前代码,使其能够处理多年的降雨数据。为用户提供选项,以提供他们希望在计划中输入以进行评估的实际年数。该程序必须输出降雨量最多的年份(即第1年、第2年等)和总降雨量最少的年份 下面是我的代码: import java.util.Scanner; public class Test2OF { public static void main(String[] args)
import java.util.Scanner;
public class Test2OF
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
double[] rainfall = new double[4];
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = scan.nextInt();
int maxQuarter = 1;
int minQuarter = 1;
// Prompt user for the number of years
System.out.println("Enter the number of years: ");
year = scan.nextInt();
for (int i=0; i < year*4; i++)
{
System.out.print("Enter rainfall for quarter " + (i+1) + ": ");
rainfall[i] = scan.nextDouble();
totalRainfall += rainfall[i];
if (i == 0)
{
max = min = rainfall[i];
}
{
if (rainfall[i] > max) {
max = rainfall[i];
maxQuarter = i + 1;
}
if (rainfall[i] < min) {
min = rainfall[i];
minQuarter = i + 1;
}
}
}
System.out.println("Total rainfall = "+totalRainfall);
System.out.println("Average rainfall = "+(totalRainfall / 4.0));
System.out.println("Max quarter rainfall = "+ max);
System.out.println("Min quarter rainfall = " + min);
System.out.println("Max quarter rainfall = "+ maxQuarter);
System.out.println("Min quarter rainfall = " + minQuarter);
}//end main
}//end class
我也不知道如何确定哪一年年底降雨量最多/最少
谢谢你的帮助!多谢各位
new double[4]; this is wrong.
若你们从用户那个里得到了大小,那个么你们为什么要初始化呢
用户提供尺寸后给出尺寸,如<代码>新双[年]代码>我立刻注意到的第一件事是
Int year = Scanner.nextInt();
Blahblahblah
year = Scanner.nextInt();
不要给年份赋值
Int year;
Year = scanner.nextInt();
至于其余的我不知道我是否想在这方面帮助你。帮助你是不道德的,因为这是为了学习。请注意,告诉你的教授你无法完成作业是完全可以的,他会比互联网提供更好的帮助
从iPad发送,因此请原谅拼写和大写错误问题:
year*4
Scanner scan = new Scanner(System.in);
double[] rainfall;
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = 0;
int maxQuarter = 1;
int minQuarter = 1;
System.out.println("Enter the number of years: ");
year = scan.nextInt();
rainfall = new double[year*4]
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
double[] rainfall;
int curyear = 0;
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = 0;
int maxQuarter = 1;
int minQuarter = 1;
// Prompt user for the number of years
System.out.println("Enter the number of years: ");
year = scan.nextInt();
rainfall = new double[year*4];
for (int i=0; i < year*4 + 1; i++)
{
if((i % 4) == 0 && i != 0)
{
System.out.println();
System.out.println("YEAR: " + ++curyear );
System.out.println("Total rainfall = "+totalRainfall);
System.out.println("Average rainfall = "+(totalRainfall / 4.0));
System.out.println("Max quarter rainfall = "+ max);
System.out.println("Min quarter rainfall = " + min);
System.out.println("Max quarter rainfall = "+ maxQuarter);
System.out.println("Min quarter rainfall = " + minQuarter);
System.out.println();
if(i == (year*4))
break;
}
System.out.print("Enter rainfall for quarter " + (i+1) + ": ");
rainfall[i] = scan.nextDouble();
totalRainfall += rainfall[i];
if (i == 0)
{
max = min = rainfall[i];
}
{
if (rainfall[i] > max) {
max = rainfall[i];
maxQuarter = i + 1;
}
if (rainfall[i] < min) {
min = rainfall[i];
minQuarter = i + 1;
}
}
}
}//end main
您的降雨量
只有4号,这意味着它只适合有4个季度的1年
解决方案:
year*4
Scanner scan = new Scanner(System.in);
double[] rainfall;
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = 0;
int maxQuarter = 1;
int minQuarter = 1;
System.out.println("Enter the number of years: ");
year = scan.nextInt();
rainfall = new double[year*4]
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
double[] rainfall;
int curyear = 0;
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = 0;
int maxQuarter = 1;
int minQuarter = 1;
// Prompt user for the number of years
System.out.println("Enter the number of years: ");
year = scan.nextInt();
rainfall = new double[year*4];
for (int i=0; i < year*4 + 1; i++)
{
if((i % 4) == 0 && i != 0)
{
System.out.println();
System.out.println("YEAR: " + ++curyear );
System.out.println("Total rainfall = "+totalRainfall);
System.out.println("Average rainfall = "+(totalRainfall / 4.0));
System.out.println("Max quarter rainfall = "+ max);
System.out.println("Min quarter rainfall = " + min);
System.out.println("Max quarter rainfall = "+ maxQuarter);
System.out.println("Min quarter rainfall = " + minQuarter);
System.out.println();
if(i == (year*4))
break;
}
System.out.print("Enter rainfall for quarter " + (i+1) + ": ");
rainfall[i] = scan.nextDouble();
totalRainfall += rainfall[i];
if (i == 0)
{
max = min = rainfall[i];
}
{
if (rainfall[i] > max) {
max = rainfall[i];
maxQuarter = i + 1;
}
if (rainfall[i] < min) {
min = rainfall[i];
minQuarter = i + 1;
}
}
}
}//end main
您需要计算指定年份数的季度数,然后使用year*4
示例:
year*4
Scanner scan = new Scanner(System.in);
double[] rainfall;
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = 0;
int maxQuarter = 1;
int minQuarter = 1;
System.out.println("Enter the number of years: ");
year = scan.nextInt();
rainfall = new double[year*4]
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
double[] rainfall;
int curyear = 0;
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = 0;
int maxQuarter = 1;
int minQuarter = 1;
// Prompt user for the number of years
System.out.println("Enter the number of years: ");
year = scan.nextInt();
rainfall = new double[year*4];
for (int i=0; i < year*4 + 1; i++)
{
if((i % 4) == 0 && i != 0)
{
System.out.println();
System.out.println("YEAR: " + ++curyear );
System.out.println("Total rainfall = "+totalRainfall);
System.out.println("Average rainfall = "+(totalRainfall / 4.0));
System.out.println("Max quarter rainfall = "+ max);
System.out.println("Min quarter rainfall = " + min);
System.out.println("Max quarter rainfall = "+ maxQuarter);
System.out.println("Min quarter rainfall = " + minQuarter);
System.out.println();
if(i == (year*4))
break;
}
System.out.print("Enter rainfall for quarter " + (i+1) + ": ");
rainfall[i] = scan.nextDouble();
totalRainfall += rainfall[i];
if (i == 0)
{
max = min = rainfall[i];
}
{
if (rainfall[i] > max) {
max = rainfall[i];
maxQuarter = i + 1;
}
if (rainfall[i] < min) {
min = rainfall[i];
minQuarter = i + 1;
}
}
}
}//end main
编辑:
year*4
Scanner scan = new Scanner(System.in);
double[] rainfall;
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = 0;
int maxQuarter = 1;
int minQuarter = 1;
System.out.println("Enter the number of years: ");
year = scan.nextInt();
rainfall = new double[year*4]
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
double[] rainfall;
int curyear = 0;
double totalRainfall = 0.0;
double max = 0, min = 0;
int year = 0;
int maxQuarter = 1;
int minQuarter = 1;
// Prompt user for the number of years
System.out.println("Enter the number of years: ");
year = scan.nextInt();
rainfall = new double[year*4];
for (int i=0; i < year*4 + 1; i++)
{
if((i % 4) == 0 && i != 0)
{
System.out.println();
System.out.println("YEAR: " + ++curyear );
System.out.println("Total rainfall = "+totalRainfall);
System.out.println("Average rainfall = "+(totalRainfall / 4.0));
System.out.println("Max quarter rainfall = "+ max);
System.out.println("Min quarter rainfall = " + min);
System.out.println("Max quarter rainfall = "+ maxQuarter);
System.out.println("Min quarter rainfall = " + minQuarter);
System.out.println();
if(i == (year*4))
break;
}
System.out.print("Enter rainfall for quarter " + (i+1) + ": ");
rainfall[i] = scan.nextDouble();
totalRainfall += rainfall[i];
if (i == 0)
{
max = min = rainfall[i];
}
{
if (rainfall[i] > max) {
max = rainfall[i];
maxQuarter = i + 1;
}
if (rainfall[i] < min) {
min = rainfall[i];
minQuarter = i + 1;
}
}
}
}//end main
publicstaticvoidmain(字符串[]args)
{
扫描仪扫描=新扫描仪(System.in);
双[]降雨量;
int curyear=0;
两倍总降雨量=0.0;
双最大值=0,最小值=0;
整年=0;
int maxQuarter=1;
int minQuarter=1;
//提示用户输入年数
System.out.println(“输入年份:”);
年份=scan.nextInt();
降雨量=新的双[年*4];
对于(int i=0;i最大值){
max=降雨量[i];
maxQuarter=i+1;
}
if(降雨量[i]
雨水中的元素不足。你需要4个元素。在你知道年数之前不要计算它的大小。嘿,谢谢!我对我的代码进行了调整,我可以收集正确数量的数据(即2年=8个季度)。你知道我如何为第一至第四季度分配“第一年”,然后为第五至第八季度分配“第二年”(等等)吗。再次感谢你!别担心。我感谢你的帮助!