1.Core Java Interview Questions and Answers Core Java is the starting point of any Java interview. A strong grip on Core Java is a must to clear the Java interview for experienced as well as beginners. This art
Another popular Java tricky question, As I said method overriding is a good topic to ask trick questions in Java. Anyway, you can not override private or static method in Java, if you create similar method with same return type and same method arguments that's called method hiding. 20. Wh...
public interface AnswerMapper { List<Answer> getAnswersByQuestionId(int questionId); void addAnswer(Answer answer); void updateAnswer(Answer answer); void deleteAnswer(int id); } 1. 2. 3. 4. 5. 6.AnswerMapper.xml<mapper namespace="com.example.mapper.AnswerMapper"> ...
You don’t need to be a Java expert to find the best Java programmers for your company – just use the resources we provide and interview with confidence!So here are the questions and answers:[Question #1 – Player/Weapon – OOP design] [Question #2 – Polyline – OOP design] [Question...
experience has seen this question on core Java or J2EE interview. Well there are many difference between them but most important isthread-safety,HashMapis not thread-safe whileHashtableis thread-safe collection. SeeHashtable vs HashMap in Javafor more differences between HashMap and Hashtable in...
This section contains some questions and answers about the use of Java expressions in the test data table of the test suite editor. Question: Why is there a null value for a variable used in a Java expression? Answer: The variable is not being initialized in the request message because it...
Note that for the purposes of this question, neither reflection nor bytecode manipulation may be used to modify another class.Answers1.2.3.4.5.The correct answers are 4 and 5.Explanation Immutability is tricky in Java. To achieve it, you must: Not expose any mutators (setters) Protect ...
2 Answers Sort by: Votes Answer + 2 @Nitin Tiwari I don't understand your explanation! What does the network's speed have to do with the right / wrong answer, since I got the answer? maybe I wasn't clear enough: In a java challenge, one question was "What is the output of this...
public class Question { private int question_id; private String content; // Getters and Setters } public class Answer { private int answer_id; private int question_id; private String content; // Getters and Setters } 1. 2. 3.
These are both noble attempts to answer the question, and neither of them are without merit, but alas, both answers are incorrect. The Java interview question’s answer The answer? In five words or less? There is no red ‘x.’