Create a Program to Create a Console Application in Java Assignment Solution.

import java.util.Scanner;

public class App {

// Here, we define some constant values used to know the type of Question (simple selection, multiple selection, fill, etc)

static final int MULTIPLE_OPTION = 1;

static final int FILL = 2;

static final int SINGLE_OPTION = 3;

static final int TRUE_FALSE = 4;

// Here, we define some constant values used to know the type of answer that a questions needs

static final int INT = 1;

static final int CHAR = 2;

static final int STRING = 3;

static final int FLOAT = 4;

static final int DOUBLE = 5;

static final int BOOL = 6;

public static void main(String[] args) throws Exception {

// Create scanner object

Scanner sc = new Scanner(System.in);

// get user name

String user_name = getUserName(sc);

// get major

String user_major = getUserMajor(sc);

// get college level

String user_college_level = getUserCollegeLevel(sc);

// Create list of questions

Question questions[] = new Question[10];

// Now, create questions

// Question 1: True or False

Question question = new Question("The sky is blue", TRUE_FALSE, BOOL);

question.setAnswer(true);

questions[0] = question;

// Question 2: Char Type

question = new Question("Which geometric figure has no sides?", MULTIPLE_OPTION, INT);

question.addOption("Square");

question.addOption("Circle");

question.addOption("Triangle");

question.addOption("Cylinder");

question.setAnswer(2);

questions[1] = question;

// Question 3: Fill

question = new Question("The geometric figure called ______ has only three sides.", FILL, STRING);

question.setAnswer("triangle");

questions[2] = question;

// Question 4: Integer

question = new Question("The sum of 50+100 is equal to ", SINGLE_OPTION, INT);

question.setAnswer(150);

questions[3] = question;

// Question 5: Float

question = new Question("The value of 10/100 is ", SINGLE_OPTION, FLOAT);

question.setAnswer(0.1f);

questions[4] = question;

// Question 6: Trigonometric Function

question = new Question("What is the sine of 90º? ", SINGLE_OPTION, DOUBLE);

question.setAnswer(Math.sin(Math.PI/2));

questions[5] = question;

// Question 7: Exponent function

question = new Question("What is the value of 2 to the power of 5? ", SINGLE_OPTION, DOUBLE);

question.setAnswer(Math.pow(2,5));

questions[6] = question;

// Question 8: Using round

question = new Question("What is the value of 57/38 (rounded to cero decimals)?", SINGLE_OPTION, INT);

question.setAnswer(Math.round(57.0f/38.0f));

questions[7] = question;

// Question 9: using min, max or abs

question = new Question("What is the min value between -5 and -8?", SINGLE_OPTION, DOUBLE);

question.setAnswer(Math.min(-5,-8));

questions[8] = question;

// Question 10: My choice

question = new Question("What is the result of the following operation?: |(-2)*5|", MULTIPLE_OPTION, INT);

question.addOption("-10");

question.addOption("10");

question.setAnswer(2);

questions[9] = question;

// Now, start exam

int n_correct = 0;

for(int i = 0; i < 10; i++)

{

Question q = questions[i];

System.out.println(q.toString());

//m get answer

String answer = sc.nextLine();

if(q.evaluate(answer))

n_correct++;

System.out.println("");

}

System.out.println("Results for: " + user_name + ", " + user_major +", " + user_college_level);

System.out.println("Correct: " + n_correct);

System.out.println(String.format("Incorrect: %d", 10 - n_correct));

System.out.println(String.format("Score: %.2f%%", (double)n_correct/(double)10.0 *100.0));

}

public static String getUserName(Scanner sc)

{

/*

This function uses a Scanner to ask to user for name and returns it as a String

This function receives a Scanner object and returns a String

*/

System.out.println("Please enter your name: ");

return sc.nextLine();

}

public static String getUserMajor(Scanner sc)

{

/*

This function uses a Scanner to ask to user for major and returns it as a String

This function receives a Scanner object and returns a String

*/

System.out.println("Please enter your major: ");

return sc.nextLine();

}

public static String getUserCollegeLevel(Scanner sc)

{

/*

This function uses a Scanner to ask to user for college level and returns it as a String

This function receives a Scanner object and returns a String

*/

System.out.println("Please enter your college level: ");

return sc.nextLine();

}

}

public class Question

{

private String text;

private String options[];

private int n_options;

private String answer_text;

private int answer_int;

private float answer_float;

private char answer_char;

private boolean answer_bool;

private double answer_double;

private int question_type;

private int answer_type;

// Here, we define some constant values used to know the type of Question (simple selection, multiple selection, fill, etc)

static final int MULTIPLE_OPTION = 1;

static final int FILL = 2;

static final int SINGLE_OPTION = 3;

static final int TRUE_FALSE = 4;

// Here, we define some constant values used to know the type of answer that a questions needs

static final int INT = 1;

static final int CHAR = 2;

static final int STRING = 3;

static final int FLOAT = 4;

static final int DOUBLE = 5;

static final int BOOL = 6;

// Constructor

public Question(String text, int typ, int answer_typ)

{

this.text = text;

this.question_type = typ;

this.options = new String[100];

this.n_options = 0;

this.answer_type = answer_typ;

}

// method to add options

public void addOption(String option)

{

this.options[this.n_options] = option;

this.n_options++;

}

// methods to check that the given option is correct

public boolean checkAnswer(String answer) {return answer.toLowerCase().compareTo(answer_text) == 0;}

public boolean checkAnswer(int answer) {return answer == answer_int;}

public boolean checkAnswer(float answer) {return answer == answer_float;}

public boolean checkAnswer(boolean answer) {return answer == answer_bool;}

public boolean checkAnswer(char answer) {return answer == answer_char;}

public boolean checkAnswer(double answer) {return answer == answer_double;}

public boolean evaluate(String answer)

{

if(getAnswerType() == STRING)

{

return answer.toLowerCase().compareTo(getAnswerText().toLowerCase()) == 0;

}

else if(getAnswerType() == BOOL)

{

boolean answer_b = false;

if(answer.toLowerCase().compareTo("true") == 0)

answer_b = true;

return getAnswerBool() == answer_b;

}

else if(getAnswerType() == INT)

{

int answer_i = Integer.valueOf(answer);

return answer_i == getAnswerInt();

}

else if(getAnswerType() == DOUBLE)

{

double answer_d = Double.valueOf(answer);

return answer_d == getAnswerDouble();

}

else if(getAnswerType() == FLOAT)

{

float answer_f = Float.valueOf(answer);

return answer_f == getAnswerFloat();

}

return false;

}

// getters

public int getQuestionType() {return question_type;}

public int getAnswerType() {return answer_type;}

public String getQuestionText() {return text;}

public String[] getOptions() {return options;}

public String getAnswerText() {return answer_text;}

public int getAnswerInt() {return answer_int;}

public float getAnswerFloat() {return answer_float;}

public char getAnswerChar() {return answer_char;}

public boolean getAnswerBool() {return answer_bool;}

public double getAnswerDouble() {return answer_double;}

// setters

public void setAnswer(boolean answer) {answer_bool = answer;}

public void setAnswer(String answer) {answer_text = answer;}

public void setAnswer(int answer) {answer_int = answer;}

public void setAnswer(float answer) {answer_float = answer;};

public void setAnswer(char answer) {answer_char = answer;};

public void setAnswer(double answer) {answer_double = answer;};

@Override

public String toString()

{

String ret = text;

ret += "\n";

if(getQuestionType() == MULTIPLE_OPTION)

{

int i = 1;

for(int j = 0; j < n_options;j++)

{

String option = this.options[j];

ret += i + ". " + option + "\n";

i++;

}

}

else if(getQuestionType() == TRUE_FALSE)

ret += "Enter True or False: ";

return ret;

}

}