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?

2294

What is thread life cycle in java?

1087

What is an argument in java?

952

What are the differences between path and classpath variables?

1056

What is string pool in java?

1036

What are abstract methods in java?

1142

What is the difference between iterator and enumeration ?

1019

What does the “static” keyword mean? Can you override private or static method in java?

1108

what is meant by encapsulation?

1100

Difference between string s= new string (); and string s = "abv";?

1233

What is the memory leak in java?

1056

When is finally block not called?

1110

What are the differences between this and super keyword?

963

What is byte data type?

1018

When will we use them?

1074