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What are the most common Java Interview Questions

Most Common Java Interview Questions are- What is difference between JDK, JRE and JVM?<br>What is difference between object oriented programming language and object based programming language?<br>Can you make a constructor final?<br>

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What are the most common Java Interview Questions

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  1. What are the most common Java Interview Questions? Most Common Java Interview Questions are :- 1.What is difference between JDK, JRE and JVM? 2.What is difference between object oriented programming language and object based programming language? 3.Can you make a constructor final? 4.Why main method is static? 5.Can you use this() and super() both in a constructor? 6.Difference between method Overloading and Overriding. 7.What is abstract class? 8.What is difference between abstract class and interface? 9.What is difference between throw and throws? 10.Why string objects are immutable in java? 11.What is the difference between StringBuffer and StringBuilder ? 12.What is difference between final, finally and finalize? 13.What is serialization? 14.What is transient keyword? 15.What is singleton class? 16.What is difference between wait() and sleep() method? 17.Can we call the run() method instead of start()? 18.What is deadlock? 19.What is the difference between ArrayList and Vector? 20.What is the difference between Iterator and ListIterator?

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