Java Quiz
import java.util.Scanner;
class Questions {
public String[][] qpa;
public String[][] qca;
Questions() {
qpa = new String[10][5];
// questions and objectives
qpa[0][0] = "Which keyword is used to define a class in Java?";
qpa[0][1] = "1. define";
qpa[0][2] = "2. class";
qpa[0][3] = "3. Class";
qpa[0][4] = "4. def";
qpa[1][0] = "Which method is the entry point of a Java program?";
qpa[1][1] = "1. start()";
qpa[1][2] = "2. main()";
qpa[1][3] = "3. init()";
qpa[1][4] = "4. run()";
qpa[2][0] = "Which package contains the Random class?";
qpa[2][1] = "1. java.util";
qpa[2][2] = "2. java.io";
qpa[2][3] = "3. java.net";
qpa[2][4] = "4. java.lang";
qpa[3][0] = "Which keyword is used to create an object in Java?";
qpa[3][1] = "1. new";
qpa[3][2] = "2. create";
qpa[3][3] = "3. object";
qpa[3][4] = "4. instantiate";
qpa[4][0] = "What is the size of int in Java?";
qpa[4][1] = "1. 8 bits";
qpa[4][2] = "2. 16 bits";
qpa[4][3] = "3. 32 bits";
qpa[4][4] = "4. 64 bits";
qca = new String[10][2];
// questions and correct answers
qca[0][0] = "Which keyword is used to define a class in Java?";
qca[0][1] = "2. class";
qca[1][0] = "Which method is the entry point of a Java program?";
qca[1][1] = "2. main()";
qca[2][0] = "Which package contains the Random class?";
qca[2][1] = "1. java.util";
qca[3][0] = "Which keyword is used to create an object in Java?";
qca[3][1] = "1. new";
qca[4][0] = "What is the size of int in Java?";
qca[4][1] = "3. 32 bits";
}
}
public class qu {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int x, correct = 0, wrong = 0, i, j;
String[] ans = new String[10];
Questions q = new Questions();
System.out.println("JAVA QUIZ");
System.out.println();
// for loop to display questions and read the answers from the user
for (i = 0; i < 5; i++) {
for (j = 0; j < 5; j++) {
System.out.println(q.qpa[i][j]);
}
System.out.println("Your answer:");
x = scanner.nextInt();
ans[i] = q.qpa[i][x];
}
// calculate correct answers
for (i = 0; i < 5; i++) {
if (q.qca[i][1].equals(ans[i])) {
correct++;
} else {
wrong++;
}
}
// printing the correct answers and user-selected answers
System.out.println("CORRECT ANSWERS");
for (i = 0; i < 5; i++) {
System.out.println();
System.out.println(q.qpa[i][0]);
System.out.println("Correct answer: " + q.qca[i][1]);
System.out.println("Your answer: " + ans[i]);
}
System.out.println("Correct = " + correct + "\tWrong = " + wrong);
scanner.close();
}
}
Which keyword is used to define a class in Java?
1. define
2. class
3. Class
4. def
Your answer:
2
Which method is the entry point of a Java program?
1. start()
2. main()
3. init()
4. run()
Your answer:
2
Which package contains the Random class?
1. java.util
2. java.io
3. java.net
4. java.lang
Your answer:
1
Which keyword is used to create an object in Java?
1. new
2. create
3. object
4. instantiate
Your answer:
1
What is the size of int in Java?
1. 8 bits
2. 16 bits
3. 32 bits
4. 64 bits
Your answer:
3
CORRECT ANSWERS
Which keyword is used to define a class in Java?
Correct answer: 2. class
Your answer: 2. class
Which method is the entry point of a Java program?
Correct answer: 2. main()
Your answer: 2. main()
Which package contains the Random class?
Correct answer: 1. java.util
Your answer: 1. java.util
Which keyword is used to create an object in Java?
Correct answer: 1. new
Your answer: 1. new
What is the size of int in Java?
Correct answer: 3. 32 bits
Your answer: 3. 32 bits
Correct = 5 Wrong = 0
Comments
Post a Comment