Java Interview Guide : 200+ Interview Questions and Answers

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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 Java Interview with hands-on code examples covering 200+ Java Interview Questions and Answers on varied range of topics listed below Java PlatformWhy is Java so popular?
What is platform independence?
What is bytecode?
Compare JDK vs JVM vs JRE 
What are the important differences between C++ and Java?
What is the role for a classloader in Java?Wrapper ClassesWhat are Wrapper classes?
Why do we need Wrapper classes in Java?
What are the different ways of creating Wrapper class instances?
What are differences in the two ways of creating Wrapper classes?
What is auto boxing?
What are the advantages of auto boxing?
What is casting?
What is implicit casting?
What is explicit casting?StringsAre all String’s immutable?
Where are String values stored in memory?
Why should you be careful about String concatenation(+) operator in loops?
How do you solve above problem?
What are differences between String and StringBuffer?
What are differences between StringBuilder and StringBuffer?
Can you give examples of different utility methods in String class?Object oriented programming basicsWhat is a class?
What is an object?
What is state of an object?
What is behavior of an object?
What is the super class of every class in Java?
Explain about toString method ?
What is the use of equals method in Java?
What are the important things to consider when implementing equals method?
What is the Hashcode method used for in Java?
Explain inheritance with examples  
What is method overloading?
What is method overriding?
Can super class reference variable can hold an object of sub class?
Is multiple inheritance allowed in Java?
What is an interface?
How do you define an interface?
How do you implement an interface?
Can you explain a few tricky things about interfaces?
Can you extend an interface?...

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About this course

Understand what kind of questions are asked in Beginner Java Interviews
Answer questions on Java Platform, Wrapper Classes and Strings
Understand New Features of Java
Understand Basic Object Oriented Concepts
Understand Advanced Object Oriented Concepts
Answer questions on Collections, Generics and MultiThreading
Understand New Features in Java 5, Java 6, Java 7 and Java 8
Understand basics of Functional Programming - Lambda Expressions and Streams
Understand Exception Handling Best Practices

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This centre's achievements

2021

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The average rating is higher than 3.7

More than 50 reviews in the last 12 months

This centre has featured on Emagister for 6 years

Subjects

  • Boxing
  • Casting
  • Oriented Programming
  • Object oriented Programming
  • Programming
  • Object-oriented training
  • Java
  • Object oriented training
  • Inheritance

Course programme

Introduction to Course 4 lectures 05:17 Introduction Three Things You need to Know Congratulations Course Overview Introduction to Course 4 lectures 05:17 Introduction Three Things You need to Know Congratulations Course Overview Introduction Introduction Introduction Introduction Three Things You need to Know Three Things You need to Know Three Things You need to Know Three Things You need to Know Congratulations Congratulations Congratulations Congratulations Course Overview Course Overview Course Overview Course Overview Java Platform 4 lectures 15:19 Java Popularity and Platform Independence Compare JDK vs JVM vs JRE Differences between C++ and Java Java Classloaders Java Platform 4 lectures 15:19 Java Popularity and Platform Independence Compare JDK vs JVM vs JRE Differences between C++ and Java Java Classloaders Java Popularity and Platform Independence Java Popularity and Platform Independence Java Popularity and Platform Independence Java Popularity and Platform Independence Compare JDK vs JVM vs JRE Compare JDK vs JVM vs JRE Compare JDK vs JVM vs JRE Compare JDK vs JVM vs JRE Differences between C++ and Java Differences between C++ and Java Differences between C++ and Java Differences between C++ and Java Java Classloaders Java Classloaders Java Classloaders Java Classloaders Wrapper Classes 1 lecture 11:01 Wrapper Classes Wrapper Classes 1 lecture 11:01 Wrapper Classes Wrapper Classes Wrapper Classes Wrapper Classes Wrapper Classes Strings 1 lecture 09:46 String, StringBuffer and StringBuilder Strings 1 lecture 09:46 String, StringBuffer and StringBuilder String, StringBuffer and StringBuilder String, StringBuffer and StringBuilder String, StringBuffer and StringBuilder String, StringBuffer and StringBuilder Basics of Object Oriented Programming 8 lectures 59:29 Object Basics - Class, Object, State and Behavior toString method equals and hashCode methods Inheritance, Method overloading and Method overriding Interface Abstract Class Constructors - this() and super() Do not forget to do Exercises Basics of Object Oriented Programming 8 lectures 59:29 Object Basics - Class, Object, State and Behavior toString method equals and hashCode methods Inheritance, Method overloading and Method overriding Interface Abstract Class Constructors - this() and super() Do not forget to do Exercises Object Basics - Class, Object, State and Behavior Object Basics - Class, Object, State and Behavior Object Basics - Class, Object, State and Behavior Object Basics - Class, Object, State and Behavior toString method toString method toString method toString method equals and hashCode methods equals and hashCode methods equals and hashCode methods equals and hashCode methods Inheritance, Method overloading and Method overriding Inheritance, Method overloading and Method overriding Inheritance, Method overloading and Method overriding Inheritance, Method overloading and Method overriding Interface Interface Interface Interface Abstract Class Abstract Class Abstract Class Abstract Class Constructors - this() and super() Constructors - this() and super() Constructors - this() and super() Constructors - this() and super() Do not forget to do Exercises Do not forget to do Exercises Do not forget to do Exercises Do not forget to do Exercises More Object Oriented Programming Concepts 6 lectures 32:13 Polymorphism and instanceof What is Coupling? What is Cohesion? What is Encapsulation? Inner Class and Static Inner Class What is an anonymous class? More Object Oriented Programming Concepts 6 lectures 32:13 Polymorphism and instanceof What is Coupling? What is Cohesion? What is Encapsulation? Inner Class and Static Inner Class What is an anonymous class? Polymorphism and instanceof Polymorphism and instanceof Polymorphism and instanceof Polymorphism and instanceof What is Coupling? What is Coupling? What is Coupling? What is Coupling? What is Cohesion? What is Cohesion? What is Cohesion? What is Cohesion? What is Encapsulation? What is Encapsulation? What is Encapsulation? What is Encapsulation? Inner Class and Static Inner Class Inner Class and Static Inner Class Inner Class and Static Inner Class Inner Class and Static Inner Class What is an anonymous class? What is an anonymous class? What is an anonymous class? What is an anonymous class? Modifiers /strong ...

Additional information

Familiarity with Java and any Java IDE In the course, we use Eclipse to demonstrate examples. Some Java IDE will be useful. Access to Github Repository

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Java Interview Guide : 200+ Interview Questions and Answers

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