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interviewquestiononline on 09/02/19


java Interview questions

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Java Interview Questions

 / Published in: Java


What is JAVA? What is Object Oriented Programming? What are the Oops concepts? What is Inheritance? What is Encapsulation? What is Polymorphism? What is Meant by Interface? What is Meant by Abstract Class? What are the Java IDE’s? Explain JDK, JRE and JVM? Explain public static void main(String args[]) in Java. Why Java is not 100% Object Oriented? What are wrapper classes in Java? What are constructors in Java? There are three types of constructors What is Meant by Local variable and Instance variable? What is a Class? What is an Object?


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