Mercy Margret

What are the different types of Thread Priorities in Java? And what is the default priority of a thread assigned by JVM?

Why is the character array preferred over string for storing confidential information?

What makes a HashSet different from a TreeSet? Mention a common thing between this.

What is a Comparator in java mention its types?

Do final, finally and finalize keywords have the same function?

Explain the use of final keyword in variable, method and class?

A single try block and multiple catch blocks can co-exist in a Java Program? Explain.

Comment on method overloading and overriding by citing relevant examples in java?

Can the main method be Overloaded in java?

Define Copy constructor in java and its types.

Briefly explain the concept of constructor overloading.

How is an infinite loop declared in Java? What are it’s uses?

Tell us something about JIT compiler and its features.

What do you mean by data encapsulation? how it is used?

What are the default values assigned to variables and instances in java?

Pointers are used in C/ C++. Why does Java not make use of pointers?

Difference between Heap and Stack Memory in java. And how java utilizes this?

What is JVM? Why is Java called the “Platform Independent Programming Language”?

What is the difference between an Applet and a Java Application?

What is the common thing in between JDK and JRE?