Shathana. S.R.

Explain static block

What are the advantages of Packages in Java?

Define the Java Virtual Machine?

Define the ‘IS-A ‘ relationship in OOPs Java?

Define the importance of reflection in Java?

What makes a HashSet different from a TreeSet?

Define a Comparator in Java?

What is the main objective of garbage collection?

Briefly explain the concept of constructor overloading

How is an infinite loop declared in Java?

Explain about data encapsulation?

What is the difference between the ‘throw’ and ‘throws’ keyword in Java?

Define the different ways of thread usage?

What are shallow copy and deep copy in Java?

When can you use the “super” keyword?

Can the main method be overloaded?

What is the difference between System.out, System.err, and System.in?

Write a program to find the Second Highest number in an ArrayList

Find the word count in a string using HashMap Collection.

Write a Program to remove duplicates in an ArrayList.