我刚跳到编程领域。请帮我找一个合理的解决方案来解决我的教育项目。如果输入不正确（例如'z'代替图形），我的程序将启动无限循环。我正在寻找无限循环的替代方案并捕捉使用。至少，也许有人可以建议如何清空托盘（此站点上提供的方法不适用于我的Win7，NetBeans IDE 7.4）。
目标 制定一个程序，允许确定调查中获得的特定数量的指标。
数据 公司赞助您为目标潜在客户实现调查系统。根据白天收集的个人数据，我们可以计算出有助于公司更好地定位客户的指标。
用于调查的问题是：
问题1：您是否喜欢使用我们的产品？
问题2：如果对问题1的回答是肯定的，您将继续使用我们的产品吗？
问题3：您打算使用我们竞争对手的产品吗？
问题4：在1到3的范围内（1：差，2中立，3优），您如何看待我们公司的声誉？
具体任务是确定每个问题的百分比。对于问题1至3，需要YES和NO的百分比。对于问题4，需要每种可能选择的百分比。
在程序过程中，数据存储在单个存储器结构中。到下午晚些时候，代理在输出数据后终止程序。因此，我们暂时不会坚持使用文件或数据库。
数据或指标将在当天晚些时候以清晰的格式发布。
因此，目的是实现数据的捕获和存储以及计算指标。
这是您的Java代码：
package surveyproject;
import java.util.Scanner;
import java.util.ArrayList;
public class SurveyProject {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
ArrayList TotalSurvey = new ArrayList();
do {
try
{
System.out.println("Welcome to survey !");
System.out.println("1 - New survey");
System.out.println("2 - Publish survey results");
System.out.println("3 - Leave the program");
int new_or_printing_results_or_exit = sc.nextInt();
if (new_or_printing_results_or_exit == 1)
{
// ============== Questions 1 and 2 ================ //
System.out.println("Do you use our product? 1-yes 0-no");
int Q1_using_product = sc.nextInt();
int Q2_using_product_in_future = -1;
if (Q1_using_product == 1)
{
System.out.println("Thanks to use our product. Will you "
+ "continue to use it? 1-yes 0-no");
Q2_using_product_in_future = sc.nextInt();
}
else
{
System.out.println("That's a pity you do not use your product.");
}
// =====///====== Question 1 and 2 ================ //
// ============== Question 3 ================ //
System.out.println("Do you use the products of our competitors? 1-yes 0-no");
int Q3_using_competitor_product = sc.nextInt();
// =====///====== Question 3 ================ //
// ============== Question 4 ================ //
System.out.println("Evaluate our company.");
System.out.println("1 - Bad");
System.out.println("2 - Neutral");
System.out.println("3 - Good");
int Q4_company_reputation_rate = sc.nextInt();
// =====///====== Question 4 ================ //
System.out.println("Thank you for the participation!");
// =========== Save current Survey =========== //
Survey objSurvey = new Survey(Q1_using_product,
Q2_using_product_in_future,
Q3_using_competitor_product,
Q4_company_reputation_rate);
TotalSurvey.add(objSurvey);
// =====///=== Save current Survey =========== //
}
else if (new_or_printing_results_or_exit == 2)
{
PrintSurveyResult(TotalSurvey);
}
else if (new_or_printing_results_or_exit == 3)
{
System.out.println("Thank you to use our system!");
System.exit(0);
}
}
catch(Exception except)
{
System.out.println("You entered incorrect answer. Please,"
+ "try again the survey." );
System.out.println("Total answers: " + total_answers);
System.out.println("Question 1: ");
System.out.println("Yes answered: " + Q1_answer_yes + "(" + (double)Q1_answer_yes/total_answers * 100.0 + "%)");
System.out.println("No answered: " + Q1_answer_no + "(" + (double)Q1_answer_no/total_answers * 100.0 + "%)");
System.out.println("Question 2: ");
System.out.println("Yes answered: " + Q2_answer_yes + "(" + (double)Q2_answer_yes/total_answers * 100.0 + "%)");
System.out.println("No answered: " + Q2_answer_no + "(" + (double)Q2_answer_no/total_answers * 100.0 + "%)");
System.out.println("Question 3: ");
System.out.println("Yes answered: " + Q3_answer_yes + "(" + (double)Q3_answer_yes/total_answers * 100.0 + "%)");
System.out.println("No answered: " + Q3_answer_no + "(" + (double)Q3_answer_no/total_answers * 100.0 + "%)");
System.out.println("Question 4: ");
System.out.println("Bad answered: " + Q4_answer_bad + "(" + (double)Q4_answer_bad/total_answers * 100.0 + "%)");
System.out.println("Neutral answered: " + Q4_answer_neutral + "(" + (double)Q4_answer_neutral/total_answers * 100.0 + "%)");
System.out.println("Good answered: " + Q4_answer_good + "(" + (double)Q4_answer_good/total_answers * 100.0 + "%)");
}
}
package surveyproject;
public class Survey {
int Q1_using_product;
int Q2_using_product_in_future;
int Q3_using_competitor_product;
int Q4_company_reputation_rate;
public Survey (int Q1, int Q2, int Q3, int Q4)
{
Q1_using_product = Q1;
Q2_using_product_in_future = Q2;
Q3_using_competitor_product = Q3;
Q4_company_reputation_rate = Q4;
}
public int getQ1_using_product()
{
return Q1_using_product;
}
public int getQ2_using_product_in_future()
{
return Q2_using_product_in_future;
}
public int getQ3_using_competitor_product()
{
return Q3_using_competitor_product;
}
public int getQ4_company_reputation_rate()
{
return Q4_company_reputation_rate;
}
}