Question: ( 1 pt ) What is an interface ( as specified by the java interface keyword ) ? ( CLO - 1 ) a .

(1pt) What is an interface (as specified by the java "interface" keyword)?(CLO-1)a. An interface is the part of a program that inputs data.b. An interface is the collection of public methods of a class and no constants.c. An interface is a class that a child class can extend.d. An interface is a collection of constants and abstract method declarations.

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