What’s the difference between callable and runnable?
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Can static methods be overridden?
Describe 2 different ways to concatenate two strings.
What does 3 dots mean in java?
what is difference between front controller and action servlet?
What is arrays aslist in java?
What are bind parameters?
"We cannot create an object of interface but we can create a variable of it". Discuss the statement with the help of an example. (Plz help us to provide immediately.)
Why set do not allow duplicates in java?
why the primitive data type have classes?
Does treeset allow null in java?
What is the difference between the boolean & operator and the && operator in java programming?
can any one send me the example program of immutable class?