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  1. // David Fritz
  2. // Assignment - Test C 
  3. // 12/09/12 
  4. //--------------------------------------------------------------- 
  5.  
  6. import java.util.Scanner; //needed for input 
  7.  
  8. public class TestC 
  9. { 
  10.     static double notGreen[] = new double[12]; 	//stores the monthly energy bills without a rooftop garden
  11. 	static double goneGreen[] = new double[12]; 	//stores the monthly energy bills with a rooftop garden
  12. 	static double actualSavings[] = new double [12];
  13. 	static double projectedSavings = 0; 	//stores what the business hopes to save
  14. 	static String businessName = " " ; 	// stores the business name
  15. 	static double totalSavings = 0;
  16. 	static String months[] = new String[] { "January",
  17. 	     "February", "March", "April", "May", "June",
  18. 	     "July", "August", "September", "October",
  19. 	     "November", "December" };
  20. 	static double negCheck;
  21. 	static int negative;
  22. 	public static void main(String[] args) 
  23.    { 
  24.       Scanner stdin = new Scanner(System.in); // needed for input 
  25.       String anotherCourse = "yes"; // variable to control running program again 
  26.  
  27.       do 
  28.       { 
  29.           getBusinessInfo(); 
  30.           getNotGreen(); 
  31.           getGoneGreen(); 
  32.           determineEfficency(); 
  33.           displayTable();   // This code ends the do while to run again 
  34.  
  35.           System.out.print("\n\nEnter yes if you want to run again or press enter to quit: "); 
  36.           anotherCourse = stdin.next(); 
  37.           stdin.nextLine();   // causes skipping issue to fix 
  38.  
  39.           System.out.print("\n\n\n"); 
  40.       } while (anotherCourse.equalsIgnoreCase("yes"));
  41.  } 
  42.  
  43.  public static void getBusinessInfo() 
  44.  {
  45.       Scanner stdin = new Scanner(System.in); // needed for input 
  46.       System.out.println("What is the name of your business?");
  47.       businessName = stdin.next();
  48.       System.out.println("How much money do you expect to save?");  
  49.       negCheck = stdin.nextDouble();
  50.       negative = 0;
  51.       while(negative == 0)
  52.       {
  53.     	  if (negCheck >= 0)
  54.     	  {
  55.     	  projectedSavings = negCheck;
  56.     	  negative = 1;
  57.     	  }
  58.     	  else
  59.     	  {
  60.     	  System.out.println("You may not enter a negative savings amount, please try again.");
  61.     	  }
  62.       }
  63.   } 
  64.  
  65.  public static void getNotGreen() 
  66.  { 
  67. 	  System.out.println("For the months before your company went green:");
  68.       Scanner stdin = new Scanner(System.in); // needed for input
  69.       for (int i = 0; i < notGreen.length; i++)
  70. 		{
  71. 			while (notGreen[i] <= i)
  72. 			{
  73.  
  74. 				System.out.println("What was your energy bill for " + months[i] + "?");
  75. 				int a = stdin.nextInt();
  76. 				negative = 0;
  77. 				while(negative == 0)
  78. 			      {
  79. 			    	  if (a >= 0)
  80. 			    	  {
  81. 			    	  projectedSavings = a;
  82. 			    	  negative = 1;
  83. 			    	  }
  84. 			    	  else
  85. 			    	  {
  86. 			    	  System.out.println("You may not enter a negative energy bill, please try again.");
  87. 			    	  }
  88. 			      }
  89. 				notGreen[i] = a;	
  90. 			}
  91. 		}
  92.  }
  93.  
  94.  public static void getGoneGreen() 
  95.  { 
  96. 	  System.out.println("For the months after your company went green:");
  97.       Scanner stdin = new Scanner(System.in); // needed for input
  98.       for (int i = 0; i < goneGreen.length; i++)
  99. 		{
  100. 			while (goneGreen[i] <= i)
  101. 			{
  102. 				System.out.println("For the months after your company went green:");
  103. 				System.out.println("What was your energy bill for " + months[i] + "?");
  104. 				int a = stdin.nextInt();
  105. 				negative = 0;
  106. 				while(negative == 0)
  107. 			      {
  108. 			    	  if (a >= 0)
  109. 			    	  {
  110. 			    	  projectedSavings = a;
  111. 			    	  negative = 1;
  112. 			    	  }
  113. 			    	  else
  114. 			    	  {
  115. 			    	  System.out.println("You may not enter a negative energy bill, please try again.");
  116. 			    	  }
  117. 			      }
  118. 				goneGreen[i] = a;	
  119. 			}
  120. 		}
  121.  }
  122.  
  123.  public static void determineEfficency() 
  124.  { 
  125. 	 for (int i = 0; i < actualSavings.length; i++)
  126. 		{
  127. 			while (actualSavings[i] <= i)
  128. 			{
  129. 				actualSavings[i] = (notGreen [i] - goneGreen[i]);
  130. 			}
  131. 		}
  132.  } 
  133.  
  134.  public static void displayTable() 
  135.  { 
  136.  
  137.      System.out.println("Efficiency Report for" + businessName);
  138.      System.out.println("Months.........Before Going Green..........After Going Green");
  139.      for (int i = 0; i < actualSavings.length; i++)
  140. 		{
  141. 			while (actualSavings[i] <= i)
  142. 			{	
  143. 				System.out.println(months[i] + "..." + notGreen[i] + "....." + goneGreen);
  144. 			}
  145. 		}
  146.      System.out.println("Your savings per month were:");
  147.      for (int i = 0; i < actualSavings.length; i++)
  148.      	{
  149.     	 while (actualSavings[i] <= i)
  150. 			{	
  151. 				System.out.println(months[i] + "..." + actualSavings[i]);
  152. 			}
  153.  
  154.      	}
  155.      for (int i = 0; i < actualSavings.length; i++)
  156.     	{
  157.     	 while (actualSavings[i] <= i)
  158.     	 	{
  159.     		 totalSavings =+ actualSavings[i];
  160.     	 	}
  161.     	}
  162.      if (totalSavings < 0)
  163.      {
  164.     	 System.out.println("Your total losses were $" + totalSavings);
  165.      }
  166.      else
  167.      {    
  168.      System.out.println("Your total savings were $" + totalSavings);
  169.      }
  170.      if (projectedSavings > totalSavings)
  171.      {
  172.     	 System.out.println("You saved " + (totalSavings - projectedSavings) + " more than expected!");
  173.      }
  174.      else if (projectedSavings < totalSavings)
  175.      {
  176.     	 System.out.println("You saved " + (projectedSavings - totalSavings) + " less than expected!");
  177.      }
  178.      else if (projectedSavings == totalSavings)
  179.      {
  180.     	 System.out.println("You saved exactly what you expected!");
  181.      }
  182.  }
  183.  
  184. } // end of class
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:8: class TestC is public, should be declared in a file named TestC.java
public class TestC 
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/XRMOPI
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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