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11.24.2020 // CSE 142 Section AH // TA: Emilia Borisova // Personality Test // This program creates a Keirsey personality type Test. First, it reads given // input file and gather information on A(ESTJ) or B(INFP). After that, it // calculates the B percentage of responses for each dimension. Final, it // prints out to a output file with names, answer percentages, and personality types. import java.util.*; import java.io.*; public class Personality { // sets the class constant to represent the number of dimensions public static final int dimensions = 4; // Builds the structure of the program. public static void main(String[] args)throws FileNotFoundException { Scanner console = new Scanner(System.in); // prints the introduction and asks for name of input file and output file introduction(); Scanner input = inputFile(console); PrintStream output = outputFile(console); // Makes the output file for every person’s percent and personality type boolean file = true; while(input.hasNextLine()) { String name = input.nextLine(); int[] percent = countArray(name); String type = distributeType(percent); if(file) { output.print(name + “: “); file = false; } else { output.print(Arrays.toString(percent) + ” = ” + type); file = true; output.println(); } } } // Prints out the short introduction of the program. public static void introduction() { System.out.println(“This program processes a file of answers to the”); System.out.println(“Keirsey Temperament Sorter. It converts the”); System.out.println(“various A and B answers for each person into”); System.out.println(“a sequence of B-percentages and then into a”); System.out.println(“four-letter personality type.”); System.out.println(); } // Asks users the name of the input file and looks for it. // Returns the input file that was typing by the user. // Parameters: // Scanner console – the Scanner to use for input public static Scanner inputFile(Scanner console) throws FileNotFoundException { System.out.print(“input file name? “); Scanner input = new Scanner(new File(console.nextLine())); return input; } // Asks users the name of the output file and creates it. // Returns the output file that was typing by the user. // Parameters: // Scanner console – the Scanner to use for input public static PrintStream outputFile(Scanner console) throws FileNotFoundException { System.out.print(“output file name? “); PrintStream output = new PrintStream(console.nextLine()); return output; } // Counts the number of A and B from each person’s response of test. After that, // Calculates the B percentage of responses they gave for each dimension. // Returns an array of B percentages from each dimension. // Parameters: // String line – read the text from input file public static int[] countArray(String line) { int[] numberA = new int[dimensions]; int[] numberB = new int[dimensions]; for(int i = 0; i < line.length(); i++) { if(line.charAt(i) == ‘A’ || line.charAt(i) == ‘a’ ) { numberA[(i % 7 + 1) / 2]++; } else if (line.charAt(i) == ‘B’ || line.charAt(i) == ‘b’) { numberB[(i % 7 + 1) / 2]++; } } int[] percent = calculatePercent(numberA, numberB); return percent; } // Calculates a person’s percentage of B answer from the total answer of A and B. // Return the total percentage of B answers. // Parameters: // int[] numberA – the array of answer A // int[] numberB – the array of answer B public static int[] calculatePercent(int[] numberA, int[] numberB) { int[] percent = new int[dimensions]; for(int i = 0; i < dimensions; i++) { int answer = (int)Math.round(((double)numberB[i] / (numberA[i] + numberB[i])) * 100); percent[i] = answer; } return percent; } // Distributes the personality type based on the precent of B answer. // less than 50 percent is assigned with “ESTJ” // greater than 50 percent is assigned with “INFP” // Returns the result of personality type of the person // Parameters: // int[] percent – the total B percentage Calculated from array public static String distributeType(int[] percent) { String typeResult = “”; String typeA = “ESTJ”; String typeB = “INFP”; for(int i = 0; i < dimensions; i++) { if(percent[i] < 50) { typeResult = typeResult + typeA.charAt(i); } else if(percent[i] > 50) { typeResult = typeResult + typeB.charAt(i); } else { //percent[i] = 50 typeResult = typeResult + “X”; } } return typeResult; } }
