java core basic problem

java core basic problem

my question is:

write a program that illustrates interface inheritance. interface P is extended by P1 and P2. interface P12 inherits from both P1 and P2,Each interface declares one constant and one methode. class Q impliments P12 Instantiate Q and invoke each of its methods.Each of its methods,each method displays one of the constants.

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java core basic problem  my question is: write a program that illustrates interface inheritance. interface P is extended by P1 and P2. interface... methode. class Q impliments P12 Instantiate Q and invoke each of its methods.Each
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