How can you add and remove nodes in jtree?
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what is difference between excute query ()and execute update ()?
What is stream api in java8?
Define how can we find the actual size of an object on the heap?
Why java applets are more useful for intranets as compared to internet?
What is audio clip interface? Name few methods of it ?
What is the use of inner class?
Can we split string with in java?
Difference between Primary key and unique key?
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 the point of polymorphism java?
How HashMap implemented in java? how it internally works when values are added or searched from hashMap?What is the difference betweenthe implementation of hashmap and Linked Hashmap?
Can static methods be inherited?