호주 현직 자바 개발자가 묻고 답하는 영어 기술면접 25

Platform Independent Language

What is the difference among JVM, JRE and JDK ?

What is Autoboxing and unboxing ?

What is memory structure for Java Stack and Heap ?

What is the difference between StringBuffer and String ?

What is function over-riding and over-loading in Java ?

What is the difference between creating String as new() and literal?

What does the 'static' keyword mean ?

What is the difference between Abstact class and interface and using for ?

What is Java Exception Handling ?

What is the difference among errors, unchecked exception and checked exception ?

What is the difference between throw and throws in Java Exception Handling ?

What is the difference between byte stream and character stream ?

What will happen if you call System.exit on try or catch block ? will finally block execute?

What is the difference between ArrayList and LinkedList ?

Explain the difference between Iterator and Enumeration

What is the use of the 'SimpleDateFormat' and how can you use it to display the current system date in 'yyyy/MM/DD HH:mm:ss' format ?

What is the marker interface in Java ?

Explain different ways of creating a thread. Which one would you prefer and why ?

What is a deadlock ?

What if the static modifier is removed from main() method?

What is the advantage of PreparedStatement over Statement ?

What is the basic priciple of RMI architecture ?

What are the steps in the JDBC connection?

How can we store and retrieve images from the database ?