59 lines
1.7 KiB
Java
59 lines
1.7 KiB
Java
package javadevjournal.design.structural.Bridge;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @author Kunwar
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*/
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public class JavaQuestions implements IQuestion {
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private List<String> questionsList = new ArrayList<String>();
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private int currQuesCounter = 0;
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public JavaQuestions() {
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questionsList.add("What is class? ");
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questionsList.add("What is interface? ");
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questionsList.add("What is abstraction? ");
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questionsList.add("How multiple polymorphism is achieved in java? ");
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questionsList.add("How many types of exception handling are there in java? ");
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questionsList.add("Define the keyword final for variable, method, and class in java? ");
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questionsList.add("What is abstract class? ");
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questionsList.add("What is multi-threading? ");
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}
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public void nextQuestion() {
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if (currQuesCounter <= questionsList.size() - 1) {
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currQuesCounter++;
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} else {
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System.out.println("We are already at the last question");
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}
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}
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public void previousQuestion() {
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if (currQuesCounter > 0) {
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currQuesCounter--;
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} else {
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System.out.println("We are already at the first question");
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}
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}
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public void newQuestion(String question) {
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questionsList.add(question);
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}
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public void deleteQuestion(String question) {
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questionsList.remove(question);
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}
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public void displayQuestion() {
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System.out.println(questionsList.get(currQuesCounter));
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}
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public void displayAllQuestions() {
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for (String question : questionsList) {
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System.out.println(question);
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}
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}
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} |