Why do we use return statement?
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Explain the use of sublass in a java program?
Can we extend a class with private constructor?
all are saying java doesn't support multiple inheritance but by default Object class is super class for all the user defined classes and we can extend atmost one class so each class can extend more than one class so java supports multiple inheritance?i am confused with this,pls any one explain me.
What is connection class in java?
Is char * a string?
how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)
Can you call one constructor from another if a class has multiple constructors?
What are the different types of java?
how many ways to create Thread and which one is good? runnable interface ot Thread class?
What is the difference between jfc & wfc?
What is treemap in java?
what is difference betwenn Access Specifier and Access Modifier ????