What do you mean by data type?
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Is null function in java?
I have one POJO class(Java bean class), it has two variables for that it has setters and getters. Now i have created two objects for that class and i have set the data for those variables through this two objects. Now question is i want check whether those two objects have same data or not, for this write a program? Thanks, Bose.
What restrictions are placed on method overriding?
In which JDK version event-delegation model is introduced?
Say any two properties in beans?
How do you compare two objects?
What is the maximum size of byte array in java?
What string is utf8?
List two java ide’s?
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?
What is super constructor?
What is a superclass?