Java’s main method is public and static so that Java runtime can access it without initializing the class. The input parameter is an array of String through which we can pass runtime arguments to the java program. Check this post to learnhow to compile and run a java program. 18. What...
Core Java Interview Questionsposting java interview questions
Another popular Java tricky question, As I said method overriding is a good topic to ask trick questions in Java. Anyway, you can not override private or static method in Java, if you create similar method with same return type and same method arguments that's called method hiding. 20. Wh...
14. What will be the problem if you don't override hashcode() method ? You will not be able to recover your object from hash Map if that is used as key in HashMap. See hereHow HashMap works in Javafor detailed explanation. 15. Is it better to synchronize critical section of getInsta...
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Core Java - Interview Questions and Answers for 'Arraylist' - 27 question(s) found - Order By Newest Very frequently asked. Favorite question in Walk in Drive of many Indian service companies. Q1. What is the difference between ArrayList and LinkedList ? Core Java Ans. Underlying data...
How HashMap works in Java or sometime how get method work in HashMap is common questions on Java interviews now days. Almost everybody who worked in Java knows about HashMap, where to use HashMap or difference between Hashtable and HashMap then why this interview question becomes so special...
But, you will find dozens of real time scenarios used to elaborate Java basic and advanced concepts. Feel free to post your questions/feedback in the block provided under each session-video. I will make sure that all of your queries are addressed. ‘Course Outline’ below will give you a...
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