Related InterviewSolutions

• Which of these classes can schedule task for execution in future?(a) Thread(b) Timer(c) System(d) ObserverI got this question in final exam.This interesting question is from Observable & Timer Class topic in division java.util – More Utility Classes of Java
• Which of these interfaces is implemented by TimerTask class?(a) Runnable(b) Thread(c) Observer(d) ThreadCountI got this question by my college director while I was bunking the class.This interesting question is from Observable & Timer Class in section java.util – More Utility Classes of Java
• Which of these methods is called when observed object has changed?(a) setChanged()(b) update()(c) notifyObserver()(d) all of the mentionedThis question was addressed to me by my school principal while I was bunking the class.I'd like to ask this question from Observable & Timer Class in chapter java.util – More Utility Classes of Java
• Which of these methods is used to notify observer the change in observed object?(a) update()(b) notify()(c) check()(d) observed()I had been asked this question in a national level competition.Query is from Observable & Timer Class in portion java.util – More Utility Classes of Java
• Which of these method of Locale class can be used to obtain country of operation?(a) getCountry()(b) whichCountry()(c) DisplayCountry()(d) getDisplayCountry()The question was asked in an interview for internship.The question is from Locale & Random Classes topic in chapter java.util – More Utility Classes of Java
• Which of these methods calls update() method?(a) notify()(b) observeObject()(c) updateObserver()(d) notifyObserver()This question was addressed to me in an interview.I need to ask this question from Observable & Timer Class in portion java.util – More Utility Classes of Java
• What is the use of Observable class?(a) It is used to create global subclasses(b) It is used to create classes that other part of the program can observe(c) It is used to create classes that can be accessed by other parts of program(d) It is used to create methods that can be accessed by other parts of programThe question was asked by my college director while I was bunking the class.I need to ask this question from Observable & Timer Class topic in portion java.util – More Utility Classes of Java
• Which of these class can generate pseudorandom numbers?(a) Locale(b) Rand(c) Random(d) None of the mentionedI had been asked this question during an interview.I would like to ask this question from Locale & Random Classes topic in chapter java.util – More Utility Classes of Java
• How many bits are used for generating random numbers?(a) 32(b) 64(c) 48(d) 8The question was posed to me in semester exam.My doubt is from Random Number topic in division java.util – More Utility Classes of Java
• Which of these class produce objects with respect to geographical locations?(a) TimeZone(b) Locale(c) Date(d) SimpleTimeZoneThis question was posed to me during an online interview.My query is from Locale & Random Classes in section java.util – More Utility Classes of Java