Can we make the abstract methods static in java?

1056

Is double bigger than float?

985

What are the skills required for core java?

1011

Which is faster call by value or call by reference?

929

What should I import for arraylist in java?

1034

How does list work in java?

913

Is null an object java?

987

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 benefit of using enum to declare a constant?

1099

How we can make copy of a java object?

1100

What is called module?

969

What is the SimpleTimeZone class?

2273

What's the default access specifier for variables and methods of a class?

1113

How do you test a method for an exception using junit?

1207

What do you mean by byte code?

1001