Last 10 Years Most Asked Oops Interview Question In Mnc'S

Get Idea of What Has Been Asked since years in interviews related to Oops In MNC or Startup interviews
After Learning you wont face any exceptional questions during your interview
It Will Help You crack any interview with an easy flow and smoothness
Memorize everything consist in this videos all the questions and concepts
Requirements
Slight Knowledge of Java and Oops is Mandatory
Description
Note:- This is just a course to give you an idea about questions in a short span of time. You won't be finding in-depth explanations of topics.How about Quickly Revising all the Important Java Concepts in about 1 Hour before an interview?Preparing for Java Interview is tricky. You would need to get a good understanding of new features and revise concepts you used in your preparation. This course helps you Prepare for a Java Interview covering 100+ Java Interview Questions and Answers on a varied range of topics listed below.COURSE HIGHLIGHTS:Java Platform1 . Why is Java so popular?2 . What is platform independence?3 . What is bytecode?4 . Compare JDK vs JVM vs JRE5 . What are the important differences between C++ and Java?6 . What is the role for a classloader in Java?Wrapper Classes7 . What are Wrapper classes?8 . Why do we need Wrapper classes in Java?9 . What are the different ways of creating Wrapper class instances?10 . What are differences in the two ways of creating Wrapper classes?11 . What is auto boxing?12 . What are the advantages of auto boxing?13 . What is casting?14 . What is implicit casting?15 . What is explicit casting?Strings16 . Are all String's immutable?17 . Where are String values stored in memory?18 . Why should you be careful about String concatenation(+) operator in loops?19 . How do you solve above problem?20 . What are differences between String and StringBuffer?21 . What are differences between StringBuilder and StringBuffer?22 . Can you give examples of different utility methods in String class?Object oriented programming basics23 . What is a class?24 . What is an object?25 . What is state of an object?26 . What is behavior of an object?27 . What is the super class of every class in Java?28 . Explain about toString method ?29 . What is the use of equals method in Java?30 . What are the important things to consider when implementing equals method?31 . What is the Hashcode method used for in Java?32 . Explain inheritance with examples .33 . What is method overloading?34 . What is method overriding?35 . Can super class reference variable can hold an object of sub class?36 . Is multiple inheritance allowed in Java?37 . What is an interface?38 . How do you define an interface?39 . How do you implement an interface?40 . Can you explain a few tricky things about interfaces?41 . Can you extend an interface?42 . Can a class extend multiple interfaces?43 . What is an abstract class?44 . When do you use an abstract class?45 . How do you define an abstract method?46 . Compare abstract class vs interface?47 . What is a constructor?48 . What is a default constructor?49 . Will this code compile?50 . How do you call a super class constructor from a constructor?51 . Will this code compile?52 . What is the use of this()?53 . Can a constructor be called directly from a method?54 . Is a super class constructor called even when there is no explicit call from a sub class constructor?Advanced object oriented concepts55 . What is polymorphism?56 . What is the use of instanceof operator in Java?57 . What is coupling?58 . What is cohesion?59 . What is encapsulation?60 . What is an inner class?61 . What is a static inner class?62 . Can you create an inner class inside a method?63 . What is an anonymous class?Modifiers64 . What is default class modifier?65 . What is private access modifier?66 . What is default or package access modifier?67 . What is protected access modifier?68 . What is public access modifier?69 . What access types of variables can be accessed from a class in same package?70 . What access types of variables can be accessed from a class in different package?71 . What access types of variables can be accessed from a sub class in same package?72 . What access types of variables can be accessed from a sub class in different package?73 . What is the use of a final modifier on a class?74 . What is the use of a final modifier on a method?75 . What is a final variable?76 . What is a final argument?77 . What happens when a variable is marked as volatile?78 . What is a static variable?conditions & loops79 . Why should you always use blocks around if statement?80 . Guess the output81 . Guess the output82 . Guess the output of this switch block .83 . Guess the output of this switch block?84 . Should default be the last case in a switch statement?85 . Can a switch statement be used around a String86 . Guess the output of this for loop87 . What is an enhanced for loop?88 . What is the output of the for loop below?89 . What is the output of the program below?90 . What is the output of the program below?Exception handling91 . Why is exception handling important?92 . What design pattern is used to implement exception handling features in most languages?93 . What is the need for the finally block?94 . In what scenarios is code finally not executed?95 . Will finally be executed in the program below?96 . Is try without a catch is allowed?97 . Is try without catch and finally allowed?98 . Can you explain the hierarchy of exception handling classes?99 . What is the difference between error and exception?100 . What is the difference between checked exceptions and unchecked exceptions?And Many More Questions mixed with the concept.Start Learning Now. Hit the Enroll Button!
Who this course is for
Whoever is preparing for technical interview or aspiring to get into software industry
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