Related InterviewSolutions

• Which is better in terms of performance for iterating an array?(a) for(int i=0; i=0; i–)(c) for(int i=100; i0; i++)I had been asked this question in a job interview.Origin of the question is Coding best practices topic in section Autoboxing & Miscellaneous of Java
• Which of the below is false about java coding?(a) variable names should be short(b) variable names should be such that they avoid ambiguity(c) test case method names should be created as english sentences without spaces(d) class constants should be used when we want to share data between class methodsI have been asked this question during an internship interview.I'm obligated to ask this question of Coding best practices topic in portion Autoboxing & Miscellaneous of Java
• What data structure should be used when number of elements is fixed?(a) Array(b) Array list(c) Vector(d) SetThis question was posed to me during an online interview.This interesting question is from Coding best practices topic in portion Autoboxing & Miscellaneous of Java
• Which of the below is true about java class structure?(a) The class name should start with lowercase(b) The class should have thousands of lines of code(c) The class should only contain those attribute and functionalitywhich it should; hence keeping it short(d) The class attributes and methods should be publicI have been asked this question during an interview for a job.Enquiry is from Coding best practices in division Autoboxing & Miscellaneous of Java
• Which of the following is a best practice to measure time taken by a process for execution?(a) System.currentTimeMillis()(b) System.nanoTime()(c) System.getCurrentTime()(d) System.getProcessingTime()I got this question in an internship interview.This is a very interesting question from Coding best practices in portion Autoboxing & Miscellaneous of Java
• Which one of the following causes memory leak?(a) Release database connection when querying is complete(b) Use Finally block as much as possible(c) Release instances stored in static tables(d) Not using Finally block oftenThis question was posed to me in an interview for internship.My query is from Coding best practices topic in portion Autoboxing & Miscellaneous of Java
• What should the return type of method where there is no return value?(a) Null(b) Empty collection(c) Singleton collection(d) Empty StringI have been asked this question in quiz.I'm obligated to ask this question of Coding best practices topic in chapter Autoboxing & Miscellaneous of Java
• Which of the following is not an advantage of using Hibernate Query Language?(a) Database independent(b) Easy to write query(c) No need to learn SQL(d) Difficult to implementI had been asked this question by my school teacher while I was bunking the class.Origin of the question is Hibernate topic in portion Autoboxing & Miscellaneous of Java
• In which file database table configuration is stored?(a) .dbm(b) .hbm(c) .ora(d) .sqlThis question was addressed to me in an interview.Query is from Hibernate topic in division Autoboxing & Miscellaneous of Java
• What does Liskov substitution principle specify?(a) parent class can be substituted by child class(b) child class can be substituted by parent class(c) parent class cannot be substituted by child class(d) No classes can be replaced by each otherI had been asked this question in class test.My question is from Liskov’s Principle in section Autoboxing & Miscellaneous of Java