How is it possible in java programming for two string objects with identical values not to be equal under the == operator?

1055

Can you give few examples of final classes defined in java api?

1049

Can we create an object if a class doesn't have any constructor ( not even the default provided by constructor ) ?

1132

What does void * mean?

1105

When we serialize an object does the serialization mechanism saves its references too?

1070

What is binary tree in java?

1118

What is difference overloading and overriding?

1241

if u open login & logout ,how can udisplay the timelogin & logout members ?

2316

What is the use of optional ?

1085

What are the different types of data structures in java?

1029

What is the maximum size of a string in java?

1170

What is difference between length and length() method in java ?

1048

I don’t want my class to be inherited by any other class. What should I do?

1059

What is double checked locking in singleton?

1104

What is the role of garbage collector in java?

1015