java实验报告.docx

java实验报告

在当下这个社会中，报告使用的次数愈发增长，报告具有双向沟通性的特点。你还在对写报告感到一筹莫展吗？以下是小编为大家收集的java实验报告，仅供参考，欢迎大家阅读。java实验报告1学生姓名：郭倩班级：信息112学号：201152275208实验地点：经管实验中心证券实验室指导教师：赵利平实验日期：实验环境：Windows20xx+JDK1.61.实验目的（1）理解子类派生的概念（2）学习创建子类对象（3）掌握方法覆盖的使用2.实验内容（1）设计三个类：完成实验教材P52页程序清单4-2；（2）通过编制一个程序来加深对嵌套类、内部类和局部类的理解：完成实验教材P56页程序清单4-3；2.实验过程报告撰写具体要求：上述实验内容要求写出源代码及运行结果。实验内容（1）：//Polymorphism.javaabstractclassStudent{finalstaticintCourseNo=3;Stringname;Stringtype;int[]courses;StringcourseGrade;publicStudent(Stringname){this.name=name;courses=newint[CourseNo];courseGrade=null;}publicabstractvoidcalculateGrade();publicStringgetName(){returnname;}publicStringgetType(){returntype;}publicStringgetCourseGrade(){returncourseGrade;}publicintgetCourseScore(intcourseNumber){returncourses[courseNumber];}publicvoidsetName(Stringname){this.name=name;}publicvoidsetType(Stringtype){this.type=type;}publicvoidsetCourseScore(intcourseNumber,intcourseScore){this.courses[courseNumber]=courseScore;}}classUndergraduateextendsStudent{publicUndergraduate(Stringname){super(name);type="本科生";}publicvoidcalculateGrade(){inttotal=0;doubleaverage=0;for(inti=0;itotal+=courses[i];};average=total/CourseNo;if(average>=80&&average=70&&average=60&&average=50&&average}}classPostgraduateextendsStudent{publicPostgraduate(Stringname){super(name);type="研究生";}publicvoidcalculateGrade(){inttotal=0;doubleaverage=0;for(inti=0;itotal+=courses[i];};average=total/CourseNo;if(average>=90&&average=80&&average=70&&average=60&&average}}publicclassPolymorphism{publicstaticvoidmain(String[]args){Student[]students=newStudent[5];students[0]=newUndergraduate("陈建平");students[1]=newUndergraduate("鲁向东");students[2]=newPostgraduate("匡晓华");students[3]=newUndergraduate("周丽娜");students[4]=newPostgraduate("梁欣欣");for(inti=0;istudents[i].setCourseScore(0,87);students[i].setCourseScore(1,90);students[i].setCourseScore(2,78);}for(inti=0;istudents[i].calculateGrade();}System.out.println("姓名"+"类型"+"成绩");}}System.out.println("-------------------------");for(inti=0;i(1)都有