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  1. import java.util.*;
  2.  
  3. class Statistics {
  4.  
  5. 	public static double[] bubbleSort(double [] userNums){
  6. 		double [] sortedNums = (double []) userNums.clone();
  7. 		for(int i = 0;i < sortedNums.length; i ++){
  8. 			for(int j = i + 1;j < sortedNums.length;j ++){
  9. 				if(sortedNums[i] > sortedNums [j]){
  10. 					double temp = sortedNums[i];
  11. 					sortedNums[i] = sortedNums[j];
  12. 					sortedNums[j] = temp;
  13. 				}
  14. 			}
  15. 		}
  16. 		return sortedNums;
  17. 	}
  18.  
  19. 	public static double[] arrayFiller(){
  20. 		Random r = new Random();
  21. 		double [] filledUserNums = new double [20];
  22. 		for (int i = 0;i < 20; i++){
  23. 			filledUserNums[i] = ((double) r.nextInt() % 100000) / 100;
  24. 		}
  25. 		return filledUserNums;
  26. 	}
  27.  
  28. 	public static void arrayPrinter(double [] userNums){
  29. 		double [] nums = bubbleSort(userNums);
  30. 		System.out.println("For the array: ");
  31. 		for (int i = 0; i < nums.length; i ++){
  32. 			System.out.print(nums[i] + ", ");
  33. 		}
  34. 		System.out.println("\n");
  35. 	}
  36.  
  37. 	public static void modePrinter(double [] userNums){
  38. 		ArrayList<Double> printerArray = mode(userNums);
  39. 		System.out.println("mode: ");
  40. 		for (int i = 0; i < printerArray.size(); i ++){
  41. 			System.out.print(printerArray.get(i) + ", ");
  42. 		}
  43. 	}
  44.  
  45. 	public static double mean(double [] userNums){
  46. 		double [] nums = bubbleSort(userNums);
  47. 		int meanSum = 0;
  48. 		for(int i = 0;i <= nums.length - 1;i++){
  49. 			meanSum += nums[i];
  50. 		}
  51. 		meanSum /= nums.length;
  52. 		return meanSum;
  53. 	}
  54.  
  55. 	public static double median(double [] userNums){
  56. 		double [] nums = bubbleSort(userNums);
  57. 		if (nums.length % 2 != 0){
  58. 			return nums[(nums.length - 1) / 2];
  59. 		}
  60. 		else{
  61. 			return ((nums[(nums.length - 1) / 2] + nums[nums.length / 2]) / 2);
  62. 		}
  63. 	}
  64.  
  65. 	public static double range(double [] userNums){
  66. 		double [] nums = bubbleSort(userNums);
  67. 		double rangeNum = (nums[nums.length - 1]) - nums[0];
  68. 		return rangeNum;
  69. 	}
  70.  
  71. 	public static ArrayList<Double> mode(double [] userNums){
  72. 		double [] nums = bubbleSort(userNums);
  73. 		ArrayList<Double> maxValues = new ArrayList <Double> ();
  74. 		ArrayList<Double> listNums = new ArrayList <Double> ();
  75. 		int maxCount = 0;
  76. 		int lastCount = 0;
  77. 		for(int l = 0; l < nums.length; l ++){
  78. 			listNums.add(nums[l]);
  79. 		}
  80. 		for (int i = 0; i < nums.length; i ++) {
  81. 			int count = 1;
  82. 			for (int j = 1 + i;j < nums.length; j ++) {
  83. 				if (nums[j] == nums[i])
  84. 					count ++;
  85. 			}
  86. 			if (count > maxCount) {
  87. 				maxCount = count;
  88. 				maxValues.add(nums[i]);
  89. 			}
  90. 			if (count > maxCount && count > lastCount){
  91. 				maxCount = count;
  92. 				maxValues.clear();
  93. 				maxValues.add(nums[i]);
  94. 			}
  95. 			lastCount = count;
  96. 		}
  97. 		if (maxCount > 0)
  98. 			return maxValues;
  99. 		return listNums;
  100. 	}
  101. }
  102.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
spoj: The program compiled successfully, but main class was not found.
      Main class should contain method: public static void main (String[] args).
stdout 
Standard output is empty
https://ideone.com/fhy1U
language:
Java (HotSpot 12)
created:
14 years ago
visibility:
public

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