Answer:
See explaination 
Step-by-step explanation:
public class Question {
 private String question;
 // Answer
 private String firstAnswer;
 private String secondAnswer;
 private String thirdAnswer;
 private String fourthAnswer;
 // Correct answer
 private String correctAnswer;
 /**
 *
 * atparam question
 * atparam firstAnswer
 * atparam secondAnswer
 * atparam thirdAnswer
 * atparam fourthAnswer
 * atparam correctAnswer
 */
 public Question(String question, String firstAnswer, String secondAnswer, String thirdAnswer, String fourthAnswer,
 String correctAnswer) {
 super();
 this.question = question;
 this.firstAnswer = firstAnswer;
 this.secondAnswer = secondAnswer;
 this.thirdAnswer = thirdAnswer;
 this.fourthAnswer = fourthAnswer;
 this.correctAnswer = correctAnswer;
 }
 // getter and setter
 public String getQuestion() {
 return question;
 }
 public void setQuestion(String question) {
 this.question = question;
 }
 public String getFirstAnswer() {
 return firstAnswer;
 }
 public void setFirstAnswer(String firstAnswer) {
 this.firstAnswer = firstAnswer;
 }
 public String getSecondAnswer() {
 return secondAnswer;
 }
 public void setSecondAnswer(String secondAnswer) {
 this.secondAnswer = secondAnswer;
 }
 public String getThirdAnswer() {
 return thirdAnswer;
 }
 public void setThirdAnswer(String thirdAnswer) {
 this.thirdAnswer = thirdAnswer;
 }
 public String getFourthAnswer() {
 return fourthAnswer;
 }
 public void setFourthAnswer(String fourthAnswer) {
 this.fourthAnswer = fourthAnswer;
 }
 public String getCorrectAnswer() {
 return correctAnswer;
 }
 public void setCorrectAnswer(String correctAnswer) {
 this.correctAnswer = correctAnswer;
 }
 // toString method for print the question
 atOverride
 public String toString() {
 return question + "\\" + firstAnswer + "\\" + secondAnswer + "\\" + thirdAnswer + "\\" + fourthAnswer;
 }
}
Note: The at in the lines of the program should be converted to at symbol.
/******************************qustions.txt*****************************/
Which is a reserved word in the Java programming language?
A. method
B. native
C. subclasses
D. reference
B
Which is a valid keyword in java?
A. interface
B. string
C. Float
D. unsigned
A
Which is the valid declarations within an interface definition?
A. public double methoda();
B. public final double methoda();
C. static void methoda(double d1);
D. protected void methoda(double d1);
A
Which is a valid declarations of a String?
A. String s1 = null;
B. String s2 = 'null';
C. String s3 = (String) 'abc';
D. String s4 = (String) '\ufeed';
A