Core Java Interview Questionsposting java interview questions
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...
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...
13. When do you override hashcode and equals() ? Whenever necessary especially if you want to do equality check or want to use your object as key in HashMap. check this for writing equals method correctly5 tips on equals in Java 14. What will be the problem if you don't override hash...
Core Java Ans. Vectors are synchronized whereas Array lists are not. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve java basic interview question vector arraylist collections synchronization vector vs arraylist Asked in ...
This course comprises all basic skills needed to use Core Java programming skills professionally. The tutorial comprises all skills that can help crack interview questions. You can apply for the following posts and bag annual salary packages as mentioned below: Core Java Developer: up to 8.6 lakhs...
Core Java Syllabus To learn Java Programming language you should have a basic understanding of Computer Programming terminologies, C and C++. Java programming language was originally developed by Sun Microsystems which was initiated by James Gosling and released in 1995 as core component of Sun Micro...
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...
In Java, two basic units of execution are process and thread. Process and thread are defined in Java as follows: Process: A self-contained execution environment that can be either a program or application. When seen as a program, it contains multiple processes inside it. A Java runtime envi...