JAVA上机实验期末试题.docx

题目1：package test;import java.util.Scanner;public class scanner public static void main(String args)int x1,x2,x3,x4,x5,sum;Scanner sc=new Scanner(System.in);int n=sc.nextInt();x1=n/10000;x2=n/1000-10*x1;x5=n%10;x4=(n%100-x5)/10;x3=(n/100)%10;sum=x1+x2+x3+x4+x5;System.out.println(x1+x2+x3+x4+x5+=+sum);题目2：package test;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.FileReader;import java.io.FileWriter;public class j_Write public static void main(String args) throws Exceptionint s=21,30,10,20,44,65;BufferedWriter bw=new BufferedWriter(new FileWriter(Dest.txt);BufferedReader br=new BufferedReader(new FileReader(Dest.txt);for(int i=0;i=0;i-)System.out.print(ti+ );br.close();题目3：package test;import java.awt.Container;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;public class test3 extends JFrame implements ActionListenerpublic test3()Container c=getContentPane();setTitle(按钮例子);JButton but=new JButton(退出按钮);but.addActionListener( this);c.add(but);pack();setLocationRelativeTo(null);public static void main(String args)test3 hss=new test3();hss.setVisible(true);public void actionPerformed(ActionEvent e)System.exit(0);题目4：package test;public class Student int sNO,sAge;double sJava;String sName,sSex;public Student(int sNO,String sName,int sAge ,double sJava,String sSex)this.sNO=sNO;this.sName=sName;this.sAge=sAge;this.sJava=sJava;this.sSex=sSex;public int getNo()return sNO;public String getName()return sName;public int getAge()return sNO;public double getJava()return sJava;public String getSex()return sSex;public static void main(String args)double sum,average,max,min;Student s1=new Student(1,A,18,80,男);Student s2=new Student(2,B,18,90,女);Student s3=new Student(3,C,18,85,男);Student s4=new Student(4,D,18,88,男);Student s5=new Student(5,E,18,98,女);System.out.println(学号+ 姓名 + 年龄+ 成绩+ 性别);System.out.println( +s1.getNo()+ +s1.getName()+ +s1.getAge()+ +s1.getJava()+ +s1.getSex();System.out.println( +s2.getNo()+ +s2.getName()+ +s2.getAge()+ +s2.getJava()+ +s2.getSex();System.out.println( +s3.getNo()+ +s3.getName()+ +s3.getAge()+ +s3.getJava()+ +s3.getSex();System.out.println( +s4.getNo()+ +s4.getName()+ +s4.getAge()+ +s4.getJava()+ +s4.getSex(); System.out.println( +s5.getNo()+ +s5.getName()+ +s5.getAge()+ +s5.getJava()+ +s5.getSex(); sum=s1.getJava()+s2.getJava()+s3.getJava()+s4.getJava()+s5.getJava(); average=sum/5; System.out.println(学生的平均成绩为：+average); double grade=s1.getJava(),s2.getJava(),s3.getJava(),s4.getJava(),s5.getJava(); max=grade0; min=grade0; f