What is a concrete classes? Is Java object class is concrete class?
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If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?
What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?
What is the size of an array?
what are Checked & Unchecked exceptions ?
what is mean by thread lock?
What is a protected method?
There are two classes named classa and classb. Both classes are in the same package. Can a private member of classa can be accessed by an object of classb?
What are the parts of methodology?
What does it mean that strings are immutable?
What is the method to declare member of a class static?
Can constructor be protected in java?
Is break statement can be used as labels in java?