Question

Part 1 (20%)

Implement a class with a main method. Using an enhanced for loop, display each element of this array:

String[] names = {"alice", "bob", "carla", "dennis", "earl", "felicia"};

Part 2 (30%)
In a new class, implement two methods that will each calculate and return the average of an array of numeric values passed into it. Constraints:

• your two methods must have the same name
• one method should accept an array of ints; the other should accept an array of doubles
• both methods must return the average to at least two decimal places of accuracy

Implement a new class demonstrating your methods in action. Call your methods at least twice each with arrays of different sizes each time.

Part 3 (50%)
The Valencia Ice Cream Shoppe pays its summer employees bonuses based on two factors: the number of weeks worked over the summer, and the number of positive customer reviews. The table below shows the bonuses based on these two factors.

Positive Reviews (right) Weeks Worked (down)	0	1	2	3	4 or more
0	25	45	80	110	150
1	50	60	90	120	180
2	100	125	160	210	265
3	160	190	225	275	340
4	230	270	325	385	450
5	300	360	420	480	600
6 or more	425	500	600	700	875

Examples:

• Employee A worked 4 weeks and got 2 positive reviews; bonus: $325.
• Employee B worked 1 week and got 7 positive reviews; bonus: $180
• Employee C worked 8 weeks and got 0 positive reviews; bonus: $425
• Total bonuses paid: $930

Write an application that:

• stores the bonus values in a two-dimensional array
• allows the user to enter values for weeks worked and reviews received, and displays the amount of the bonus
• only accepts valid values for input (focus on valid ranges; don't worry about preventing wrong type input)
• allows the user to keep entering values until some sentinel value is entered, at which point the program ends
• upon ending, displays the total amount of bonuses paid out based upon the values entered

Please submit:

(1) all source code (.java files)
(2) screenshots showing all programs in action (image files)

Answer 1

Question 1  

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package javaapplication23;
import java.util.Random;
import java.util.Scanner;

/**
 *
 * @author haptop laptop
 */
public class JavaApplication23 {

    /**
     * @param args the command line arguments
     */
    
  
    public static void main(String[] args) {
        // TODO code application logic here
        String [] names={"alice","bob","carla","dennis","earl","felicia"};
                for(int i=0;i<names.length;i++)
                System.out.print(names[i]+" ");
                
       
       
    }
    
    
}

Question 2

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package javaapplication23;
import java.util.Random;
import java.util.Scanner;

/**
 *
 * @author haptop laptop
 */

class Test{
   
    double findAverage(int [] array)
    {
        int sum=0;
        for(int i=0;i<array.length;i++)
        {
            sum+=array[i];
            
        }
       double average=(sum*1.0)/(array.length);
       return Math.round(average*100.0)/100.0;//to return up to 2 decimal
       
    }
    double findAverage(double [] array)
    {
        double sum=0;
        for(int i=0;i<array.length;i++)
        {
            sum+=array[i];
        }
       double average=(sum*1.0)/(array.length);
       return Math.round(average*100.0)/100.0;//to return up to 2 decimal
       
        
    }
    
}
public class JavaApplication23 {

    /**
     * @param args the command line arguments
     */
    
  
    public static void main(String[] args) {
        // TODO code application logic here
        int[] myArray1={1,2,3,4,5,6,6};
        double[] myArray2={1.0,2.1,3.2,4.3,5.3,6.2};
        Test t1=new Test();
        System.out.println("Average of first array"+t1.findAverage(myArray1));
        System.out.println("Average of second array"+t1.findAverage(myArray2));
        
       
    }
    
    
}

Question 3

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package javaapplication23;
import java.util.Random;
import java.util.Scanner;

/**
 *
 * @author haptop laptop
 */

public class JavaApplication23 {

    /**
     * @param args the command line arguments
     */
    
  
    public static void main(String[] args) {
        // TODO code application logic here
        int bonuse[][]={{25,45,80,110,150},{50,60,90,120,180},{100,125,160,210,265},{160,190,225,275,340},{230,270,325,385,450},{300,360,420,480,600},{425,500,600,700,875}};
           Scanner sc=new Scanner(System.in);
            System.out.print("Enter number of employeees? ");
            int n=sc.nextInt();
            int sum=0;
            while(n>0)
            {
                System.out.print("Enter number of week worked and review ");
                int row=sc.nextInt();
                int col=sc.nextInt();
                if(col>=4)
                {
                    col=4;
                }
                if(row>=6)
                    row=6;
                System.out.println("Employee will get $"+bonuse[row][col]);
                
                sum+=bonuse[row][col];
                
                n--;
            }
            System.out.println("Total bonus $"+sum);
        }

       
    }