How many types of equations are there?

1011

How to split a string in java?

1126

What is the difference between serial and throughput garbage collector?

1094

Can a class be protected in java?

966

What is the purpose of abstract class?

1013

Can singleton class be inherited in java?

995

Explain 5 features introduced in jdk 1.7?

1018

Can a class extend more than one class?

1118

2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?

2279

What is the difference between hashmap and hashtable in java?

1113

Difference between operator overloading and function overloading

1060

How to pass arraylist to stored procedure in java?

1159

Why local variables are stored in stack?

971

Can each java object keep track of all the threads that want to exclusively access it?

948

Which class is the superclass for all the classes?

1019