Can list be null in java?
Is heap stored in ram?
How concurrent hashmap works?
String is an immutable object. Then how can the following code be justified. String s1 = ?ABC?; String s1 = s1+?XYZ?; s.o.p(s1); The output is ABCXYZ, which is the value of s1 ?
6 Answers Flextronics, Keane India Ltd,
suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible
Write a program to print fibonacci series up to count 10.
why the equals method can be override?when we override the equals method?
How are this() and super() used with constructors in java programming?
what is the difference between a java object reference and c++ pointer?
What is an iterator java?
What is the impact of declaring a method as final?
What is meant by class and object in java?
Explain about instanceof operator in java?