Can we create object of inner class in java?

946

Is finalize() similar to a destructor?

1023

How do you declare a string variable?

1018

What does it mean to be immutable?

969

What is 32 bit float?

993

When is an object subject to garbage collection?

1070

How do you join strings in java?

1050

What is the difference between arraylist and hashset in java?

1149

Can we serialize arraylist in java?

1012

1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

4954

do I need to use synchronized on setvalue(int)? : Java thread

1011

Can we make a constructor final?

1021

Can you explain the final method modifier?

1010

How do you check if a string contains only numeric digits?

1121

How to split a string in java?

1134