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why we r not use pointers in corejava?
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Answer / arun
First you need to understand the concept of Pointer.
Pointer in C++, gives as reference to object from outside.
if we provide same thing in java, the concept of
Encapsulation will be violate. so java doesn't provide this
feature till 6.0 version. Recently Java added this feature
in java7.0. but they gave different name Clouser, which
give you pointer to function, as Callback in C...
| Is This Answer Correct ? | 15 Yes | 5 No |
Answer / javac
Internally java is based on pointers only.Sun People have
implemented the java utilites using pointer concepts but
they have restricted the developers to use the pointers.so
we cannot use pointers in java.
| Is This Answer Correct ? | 5 Yes | 4 No |
interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?
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