What is an object class?
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How many arguments can a method have java?
What is meant by polymorphism?
What is an object's lock and which object's have locks in java programming?
What is the main use of java?
I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?
If all the methods in abstract class are declared as abstract then what is difference between abstract class and in interface?
What types of inheritance does Java support?
Why is the singleton pattern considered to be an anti pattern?
What is the purpose of garbage collection in java, and when is it used?
What are the main uses of the super keyword?
What is better- service oriented or batch oriented solutions?
What is the main purpose of serialization in java?