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大一上学期java考试题库,急求大一java考试题及其答案

来源:整理 时间:2024-06-09 19:25:56 编辑:黑码技术 手机版

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1,急求大一java考试题及其答案

这里有不少关于二级java的考试题和辅导,应该和大学所学的都是差不多的: http://pc.kaoshibaike.com/erji/java/ 可以来看看。

急求大一java考试题及其答案

2,JAVA试题

1!+3!+5!+...+19! long sum=1; long sum; for(int i=1;<=19;i++) sum=sum*i if(i%2==1) sum1=sum1+sum } } system.out.println(sum1)

JAVA试题

3,Java程序设计试题

一 构造函数Sandwich()被执行时,先执行它的父类PortableLunch,PortableLunch又先执行它的父类Lunch,Lunch又先执行它的父类Meal。所以顺序是Meal>Lunch>PortableLunch>Bread>Cheese>Lettuce>Sandwich。结果是Meal() Lunch()PortableLunch()Bread()Cheese()Lettuce()Sandwich()。 二 (1) Shelf.java (2)javac Shelf.java (3)3个类,分别是: Shelf.class、Book.class、Student.class (4)java Shelf (5) Shelf Book 三 (1)2java.awt.enent.* 3ActionListener 20okButton 21this (2)窗口不可以随意改变大小 (3)使用默认布局(顺序布局)(4)给按钮添加行为事件(5)如果按下按钮,则将标题改为you clicked OK 后面的题目等有空的话,就帮你做一下。

Java程序设计试题

4,Java试题

public class Main public static void main(String[] args) //test float[] f = System.out.println("SUM:" + sum(f)); System.out.println("AVG:" + avg(f)); System.out.println("MIN:" + min(f)); } public static float avg(float[] arr) return sum(arr)/arr.length; } public static float sum(float[] arr) float total = 0; for(int i = 0;i&lt;arr.length;i++) total += arr[i]; } return total; } public static float min(float[] arr) float min = arr[0]; for(int i = 0;i&lt;arr.length;i++) if(min&gt;arr[i]) min = arr[i]; } return min; }}

5,大一Java程序设计题

//Student 文件public class Student implements Comparable{ private String name; private Course[] courses; private int[] sorce; public int[] getSorce() { return sorce; } public void setSorce(int... sorce) { this.sorce = sorce; } private double avg; public Student(String name) { this.name = name; } public double getAvg() { int sum = 0; for (int i = 0; i < sorce.length; i++) { sum += sorce[i]; } avg =1.0 * sum / sorce.length; avg = (int)(avg*100)/100.0; return avg; } public void setCourses(Course... courses) { this.courses = courses; } //降序排列 @Override public int compareTo(Student o) { if(getAvg() > o.getAvg()) return -1; else if(getAvg() == o.getAvg()) { return 0; }else return 1; } public String toString(){ return this.name + " 平均分 " + this.getAvg(); } } //Course类 public class Course { String courseName; public Course(String courseName){ this.courseName = courseName; } public String getCourseName() { return courseName; } public void setCourseName(String courseName) { this.courseName = courseName; } } // TestDemo类 import java.util.TreeSet; public class TestDemo { public static void main(String[] args) { Course[] courses = {new Course("语文"),new Course("数学"),new Course("英语")}; TreeSet ts = new TreeSet(); Student s1 = new Student("张三"); Student s2 = new Student("李四"); Student s3 = new Student("王五"); s1.setCourses(courses); s1.setSorce(1,1,1); ts.add(s1); s2.setCourses(courses); s2.setSorce(2,3,6); ts.add(s2); s3.setCourses(courses); s3.setSorce(3,4,5); ts.add(s3); System.out.println(ts); } }
import java.text.parseexception;import java.text.simpledateformat;import java.util.calendar;import java.util.date;import java.util.scanner;public class calendar创建日历 // 创建 calendar 对象 static calendar calendar = calendar.getinstance(); public static void main(string[] args) throws parseexception scanner input = new scanner(system.in); system.out.println("请输入年份:"); int year = input.nextint(); system.out.println("请输入月份:"); int month = input.nextint(); // 设置传入的时间格式 simpledateformat dateformat = new simpledateformat("yyyy-m"); // 对 calendar 设置为 date 所定的日期 calendar.settime(dateformat.parse(year + "-" + month)); // 当月一共n天 int dayofmonth = calendar.getactualmaximum(calendar.day_of_month); system.out.println(dayofmonth); // 设置传入的时间格式 simpledateformat dateformatnew = new simpledateformat("yyyy-m-d"); for (int i = 0; i < dayofmonth; i++) system.out.println((i + 1) + "号," + getweekofdate(dateformatnew.parse(year + "-" + month + "-" + (i + 1)))); } } /** * 获取指定日期是星期几 参数为null时表示获取当前日期是星期几 * * @param date * @return */ public static string getweekofdate(date date) string[] weekofdays = if (date != null) calendar.settime(date); } int w = calendar.get(calendar.day_of_week) - 1; if (w < 0) w = 0; } return weekofdays[w]; }}至于怎么排列,自己动下脑子。
文章TAG:大一上学期java考试题库急求大一java考试题及其答案

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