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Create quiz.java #958

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237 changes: 237 additions & 0 deletions Java/quiz.java
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Original file line number Diff line number Diff line change
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import javax.swing.JOptionPane;

public class JavaQuiz {

static int points = 0;

public static void main(String[] args) {
JOptionPane.showMessageDialog(null, "Welcome to Quiz.");

// call the quiz method
question1();
question2();
question3();
question4();
question5();
question6();
question7();
question8();
question9();
question10();
question11();
question12();
question13();
question14();
question15();
result();
}


public static void question1() {
String answer = JOptionPane.showInputDialog(null, "Question 1 of 15:\n" +
"What is a correct syntax to output \"Hello World\" in Java?\n" +
"A. echo(\"Hello World\")\n" +
"B. Console.WriteLine(\"Hello World\")\n" +
"C. System.out.println(\"Hello World\")\n" +
"D. print(\"Hello World\")");
switch (answer){
case "C", "c" -> points++;
}
}


public static void question2() {
String answer = JOptionPane.showInputDialog(null, "Question 2 of 15:\n" +
"Java is short for \"Javascript\".\n" +
"A. true\n" +
"B. false\n" +
"C. All of the above.\n" +
"D. None of the above.");
switch (answer){
case "B", "b" -> points++;
}
}


public static void question3() {
String answer = JOptionPane.showInputDialog(null, "Question 3 of 15:\n" +
"How do you insert COMMENTS in Java code?\n" +
"A. # This is a comment.\n" +
"B. // This is a comment.\n" +
"C. /* This is a comment\n" +
"D. All of the above.");
switch (answer){
case "B", "b" -> points++;
}
}


public static void question4() {
String answer = JOptionPane.showInputDialog(null, "Question 4 of 15:\n" +
"Which data type is used to create a variable that should store text?\n" +
"A. String\n" +
"B. myString\n" +
"C. string\n" +
"D. Txt");
switch (answer){
case "A", "a" -> points++;
}
}


public static void question5() {
String answer = JOptionPane.showInputDialog(null, "Question 5 of 15:\n" +
"How do you create a variable with the numeric value 5?\n" +
"A. num x = 5\n" +
"B. x = 5;\n" +
"C. float x = 5;\n" +
"D. int x = 5;");
switch (answer){
case "D", "d" -> points++;
}
}


public static void question6() {
String answer = JOptionPane.showInputDialog(null, "Question 6 of 15:\n" +
"How do you create a variable with the floating number 2.8?\n" +
"A. byte x = 2.8f\n" +
"B. float x = 2.8f;\n" +
"C. int x = 2.8f;\n" +
"D. x = 2.8f;");
switch (answer){
case "B", "b" -> points++;
}
}


public static void question7() {
String answer = JOptionPane.showInputDialog(null, "Question 7 of 15:\n" +
"Which method can be used to find the length of a string?\n" +
"A. getSize()\n" +
"B. length()\n" +
"C. getLength()\n" +
"D. len()");
switch (answer){
case "B", "b" -> points++;
}
}


public static void question8() {
String answer = JOptionPane.showInputDialog(null, "Question 8 of 15:\n" +
"Which operator is used to add together two values?\n" +
"A. The & sign\n" +
"B. The * sign\n" +
"C. The + sign\n" +
"D. The / sign");
switch (answer){
case "C", "c" -> points++;
}
}


public static void question9() {
String answer = JOptionPane.showInputDialog(null, "Question 9 of 15:\n" +
"The value of a string variable can be surrounded by single quotes.\n" +
"A. True\n" +
"B. False\n" +
"C. All of the above.\n" +
"D. None of the above.");
switch (answer){
case "B", "b" -> points++;
}
}


public static void question10() {
String answer = JOptionPane.showInputDialog(null, "Question 10 of 15:\n" +
"Which method can be used to return a string in upper case letters?\n" +
"A. tuc()\n" +
"B. toUpperCase()\n" +
"C. toupperCase()\n" +
"D. touppercase()");
switch (answer){
case "B", "b" -> points++;
}
}


public static void question11() {
String answer = JOptionPane.showInputDialog(null, "Question 11 of 15:\n" +
"Which operator can be used to compare two values?\n" +
"A. <>\n" +
"B. ==\n" +
"C. =\n" +
"D. ><");
switch (answer){
case "B", "b" -> points++;
}
}


public static void question12() {
String answer = JOptionPane.showInputDialog(null, "Question 12 of 15:\n" +
"To declare an array in Java, define the variable type with:\n" +
"A. []\n" +
"B. ()\n" +
"C. {}\n" +
"D. None of the above.");
switch (answer){
case "A", "a" -> points++;
}
}


public static void question13() {
String answer = JOptionPane.showInputDialog(null, "Question 13 of 15:\n" +
"Array indexes start with:\n" +
"A. 1\n" +
"B. 0\n" +
"C. All of the above.\n" +
"D. None of the above.");
switch (answer){
case "B", "b" -> points++;
}
}


public static void question14() {
String answer = JOptionPane.showInputDialog(null, "Question 14 of 15:\n" +
"How do you create a method in Java?\n" +
"A. methodName()\n" +
"B. methodName[]\n" +
"C. methodName\n" +
"D. (methodName)");
switch (answer){
case "A", "a" -> points++;
}
}


public static void question15() {
String answer = JOptionPane.showInputDialog(null, "Question 15 of 15:\n" +
"How do you call a method in Java?\n" +
"A. methodName();\n" +
"B. methodName;\n" +
"C. (methodName);\n" +
"D. methodName[];");
switch (answer){
case "A", "a" -> points++;
}
}


public static void result() {
String name = JOptionPane.showInputDialog(null,"You finished the quiz.\nPlease enter your name?");
if (points == 15)
{
JOptionPane.showMessageDialog(null, "Name: " + name + "\nTotal Score: " + points + "\nGood job!");
}else if(points >= 10) {
JOptionPane.showMessageDialog(null, "Name: " + name + "\nTotal Score: " + points + "\nYou Passed the quiz.");
}else{
JOptionPane.showMessageDialog(null, "Name: " + name + "\nTotal Score: " + points + "\nYou can still study more for the next quiz.");
}
}

}