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Question 2 Tries remaining: 3 Marked out of 1.00 V Flag question Select the two sentences about OO software that are wholly correct This question tests your knowledge of Unit 1 Section 3 and Section 6. Select one or more: In object-oriented programming, each object has a set of messages. It also understands a set of attributes, called its protocol. With the advent of OO programming, we have been able to regard classes as software components because they are relatively self-contained units of software that can be tested and then re-used In object-oriented programming, the state of an object is made up of its attributes. In a procedural program, the code is a step-by-step set of instructions which are executed when a message is received by the procedure In object-oriented programming, classes are designed which act as a sort of template or factory for the creation of objects. Java is the only object-oriented programming language