What are the differences between heap and stack memory?
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How use .contains in java?
What is array pointers ?
How to sort a vector elements that contains the user define class object? (Note: If Suppose consider, A Student class contain two data members. They are String studentName and int rollNo. I am creating Four objects for this class, each object contains students details like name and roll no. Now i am storing that objects in vector and if i retiving the elements from the vector means then it should be display in sorting order)
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Why isn’t there operator overloading?
Can an object subclass another object?
Why packages are used?
What is the use of isempty in java?
What is clipping?
Can a class be a super class and a sub-class at the same time? Give example.
Hi can u pls tell me what is the use of marker interface. Iknow what is marker interface but what ability will the object get by implementing this.
What is an off by one error in java?
How many threads can java run?