文件名称:Ex3_3
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我是一名在读大学生，非CS专业的学生，只是因为自己感兴趣，所以踏上了学习java的路，现在还是处于初步阶段，这个代码是：在商业和科学研究中，人们经常需要对数据进行分析并将结果以直方图的形式显示出
来。例如，一个公司的主管可能需要了解一年来公司的营业状况，比较一下各月份的销售收
入状况，如果仅给出一大堆数据，这显然太不直观了，如果能将这些数据以条形图（直方图）
的形式表示，那么将会大大增加这些数据的直观性，也便于数据的分析与对比。下面以顾客
对餐饮服务打分为例，练习一下这方面的程序。假设现在有40个学生被邀请来给自助餐厅的
食品和服务质量打分，分数为从1~10的10个等级(1意味着最低分,10表示最高分)，试统计调
查结果，并用„ *‟ 打印出如下形式的统计结果直方图。-I was a university student in reading, non-CS majors, just because they are interested, so embarked on the road to learn java, now or at a preliminary stage, this code is: in the commercial and scientific research, people often need data were analyzed and the results are displayed as a histogram. For example, a company may need to know a year in charge of the company' s business situation, compare each month' s sales income, if only given a lot of data, which is obviously not too intuitive, and if those data in a bar graph (histogram) expressed in the form, it will greatly increase the intuitive nature of these data, but also facilitate data analysis and contrast. Catering services to customers on the following scoring, for example, practice the procedures in this respect. Suppose now that there are 40 students were invited to come to the cafeteria food and service quality, and their score from 1 to 10, 10 level (1 means the lowest score and 10 being the highest score), try to su
来。例如，一个公司的主管可能需要了解一年来公司的营业状况，比较一下各月份的销售收
入状况，如果仅给出一大堆数据，这显然太不直观了，如果能将这些数据以条形图（直方图）
的形式表示，那么将会大大增加这些数据的直观性，也便于数据的分析与对比。下面以顾客
对餐饮服务打分为例，练习一下这方面的程序。假设现在有40个学生被邀请来给自助餐厅的
食品和服务质量打分，分数为从1~10的10个等级(1意味着最低分,10表示最高分)，试统计调
查结果，并用„ *‟ 打印出如下形式的统计结果直方图。-I was a university student in reading, non-CS majors, just because they are interested, so embarked on the road to learn java, now or at a preliminary stage, this code is: in the commercial and scientific research, people often need data were analyzed and the results are displayed as a histogram. For example, a company may need to know a year in charge of the company' s business situation, compare each month' s sales income, if only given a lot of data, which is obviously not too intuitive, and if those data in a bar graph (histogram) expressed in the form, it will greatly increase the intuitive nature of these data, but also facilitate data analysis and contrast. Catering services to customers on the following scoring, for example, practice the procedures in this respect. Suppose now that there are 40 students were invited to come to the cafeteria food and service quality, and their score from 1 to 10, 10 level (1 means the lowest score and 10 being the highest score), try to su
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Ex3_3.java