CS201 2 introduction to programming assignment solution fall 2012

#include <iostream.h>
#include <conio.h>

int highest(int[],int);
int lowest(int[],int);
float average(int[],int);

main()
{
      int nmbr,*ptr, high, low;
      float avg;
      cout<<"Enter the number of consecutive days to read their temperature : ";
      cin>>nmbr;
      ptr= new int[nmbr];
      for (int i =0; i<nmbr; i++ )
      {
          cout<<"\nEnter temperature for day "<<i+1<<" : ";
          cin>>ptr[i];
      }
      avg = average(ptr, nmbr);
      high =highest(ptr, nmbr);
      low = lowest(ptr, nmbr);
     
      cout<<"\n\nThe average temperature is \t"<<avg<<endl;
      cout<<"The highest temperature is \t"<<high<<endl;
      cout<<"The lowest  temperature is  \t"<<low<<endl;
getch();    
}

float average (int arr[], int size)
{
      float total=0;
      float avg;
      for (int i=0;i<size;i++)
      total = total + arr[i];
      avg = total/size;
      return avg;
}

int highest (int arr [], int size)
{
    int big = arr[0];
    for(int i=0; i<size; i++)
    if (big < arr[i])
    big = arr[i];
    return big;
}

int lowest (int arr [], int size)
{
    int small = arr[0];
    for(int i=0; i<size; i++)
    if (small > arr[i])
    small = arr[i];
    return small;
}

CS506 - Web Design and Development Assignment 1 solution fall 2012

Solution includes three java files copy source code in three different files(AddressBook.java , Student.java , Assignment1.java). zip these files and submit the zip folder.

File = AddressBook.java 

import java.util.*;
import javax.swing.*;

public class AddressBook {
 ArrayList mylist;
 ArrayList projectlist;

 //default constructor
 public AddressBook(){
     mylist = new ArrayList();
     projectlist = new ArrayList();
 }

 public void addToBook(){
     Student std1 = new Student();
     std1.addStudent();
     mylist.add(std1);
     JOptionPane.showMessageDialog(null,"Now size is " + mylist.size());;
 }
 //search student function
 public void searchStudent(){
     String search = JOptionPane.showInputDialog("Enter Roll Number for search");
     Student std;
     int i = 0;
  for( i = 0; i < mylist.size(); i++){
      std = (Student) mylist.get(i);
      if(search.equals(std.rollnum)){
      JOptionPane.showMessageDialog(null,"Name: " + std.name + "\nRoll Number: "+ std.rollnum + "\nPrograme: " + std.programe + "\nPhone: " + std.phone + "\nStatus: " + std.status);
   
      } else   {
          JOptionPane.showMessageDialog(null,"Student record not found for " + search);
      }
  }
 }

 //Function to delete a student
  public void deletStudent(){
      String delete = JOptionPane.showInputDialog("Enter Roll number to delete");
      Student std1;
          for(int i = 0; i < mylist.size(); i++){
              std1 = (Student) mylist.get(i);
              if(delete.equals(std1.rollnum)){
                  mylist.remove(i);
                  JOptionPane.showMessageDialog(null, "Student deleted successfully for roll number" + delete);
               
              }else if(!delete.equals(std1.rollnum)){
                  JOptionPane.showMessageDialog(null, "No record found for" + delete);
              }
          }
  }

  //add project to projectlist
  public void addProject(){
      String search0 = JOptionPane.showInputDialog("Enter a roll number to add project");
      Student s = new Student();
      Student.Projects proj = s.new Projects();
      for(int i = 0; i < mylist.size(); i++){
          s = (Student) mylist.get(i);
          if(search0.equals(s.rollnum)){
              proj.addProject();
              projectlist.add(proj);
              break;
          } else {
              JOptionPane.showMessageDialog(null, "There found no such roll number to add a project for " + search0);
          }
      }
   
  }

  //find projects
  public void findProject()
  {
      String search1 = JOptionPane.showInputDialog("Entter rollnumber to search project");
      Student std2 = new Student();
      for(int i = 0; i < mylist.size(); i++)
 {
       std2 = (Student) mylist.get(i);
       if(search1.equals(std2.rollnum)) {
          Student stdp = new Student();
          Student.Projects prj = stdp.new Projects();
          for(int j = 0; j < projectlist.size(); j++){
              prj = (Student.Projects) projectlist.get(j);
              if(search1.equals(prj.rollnumber)){
                 JOptionPane.showMessageDialog(null, "Roll Number:" + prj.rollnumber + "\nProject Title: " + prj.title + "\nCurrent Phase:" + prj.cPhase + "\nProject Status:" + prj.pStatus);
                 break;
              } else {
                  JOptionPane.showMessageDialog(null, "There's found no project for " + search1);
              }
          }
       } else if(!search1.equals(std2.rollnum)){
           JOptionPane.showMessageDialog(null, "There's found no record for " + search1);
       }
    }
}

    public void deleteProject()
{
      String search1 = JOptionPane.showInputDialog("Entter rollnumber to delete project");
      Student std2 = new Student();
      for(int i = 0; i < mylist.size(); i++){
       std2 = (Student) mylist.get(i);
       if(search1.equals(std2.rollnum)) {
          Student stdp = new Student();
          Student.Projects prj = stdp.new Projects();
          for(int j = 0; j < projectlist.size(); j++){
              prj = (Student.Projects) projectlist.get(j);
              if(search1.equals(prj.rollnumber)){
projectlist.remove(j);
JOptionPane.showMessageDialog(null, "Project has been deleted");
                 break;
              } else {
                  JOptionPane.showMessageDialog(null, "There's found no project for " + search1);
              }
          }
       } else if(!search1.equals(std2.rollnum)){
           JOptionPane.showMessageDialog(null, "There's found no record for " + search1);
       }
      }
  }
}

File = Student.java 

import javax.swing.*;

public class Student {
    public String name, rollnum, programe, status;
   public int phone;

//default Constructor
   public Student(){
       name = "No name";
       rollnum = "BC0000";
       phone = 0000000;
       status = "no status";
   }
 
   //Function for add a student
   public void addStudent(){
       name = JOptionPane.showInputDialog("Enter Student Name");
       rollnum = JOptionPane.showInputDialog("Enter Roll Number");
       programe = JOptionPane.showInputDialog("Enter Programe Name");
       String ph = JOptionPane.showInputDialog("Enter Phone Number");
       phone = Integer.parseInt(ph);
       String st = JOptionPane.showInputDialog("Enter status\n0 for blocked\n1 for active");
      if(st.equals("0")){
          status = "Blocked";
      } else if(st.equals("1")){
          status = "Active";
      }
     
   }
   //inner class for projects
 
   public class Projects{
       public String rollnumber;
       public String title;
       public String cPhase;
       public String pStatus;
     
       //default constructor
       public Projects(){
           rollnumber = "no rollnumber";
           title = "No title";
           cPhase = "No Phase";
           pStatus = "No project Status";
       }
     
       //Add project to a student
       public void addProject(){
       rollnumber = JOptionPane.showInputDialog("Enter Student roll number");
       title = JOptionPane.showInputDialog("Enter project title");
       cPhase = JOptionPane.showInputDialog("Enter current phase");
       pStatus = JOptionPane.showInputDialog("Enter project status");
   }
 


  }
}

File = Assignment1.java 

import javax.swing.*;

public class Assignment1 {

    public static void main(String[] args) {

        // TODO code application logic here

        String input;

        int ch;

        AddressBook ab = new AddressBook();

        while(true)

{

            input = JOptionPane.showInputDialog("1 for add\n2 for Search \n3 for delete student \n4 for add project \n5 for find project  \nEnter 6 to delete all projects of a student\nEnter 7 to exit the Application");

            ch =Integer.parseInt(input);

            switch(ch){

                case 1:

                    ab.addToBook();

                    break;

                case 2:

                    ab.searchStudent();

                    break;

                case 3:

                    ab.deletStudent();

                    break;

                case 4:

                    ab.addProject();

                    break;

                case 5:

                    ab.findProject();

                    break;

case 6:

ab.deleteProject();

break;

                case 7:

                    System.exit(1);

                    

            }

        }  

}

}