part D

Two approaches used to write the specifications for operations between a sender and a receiver object(e.g. Queue) are based on design by contract and defensive design. [35] (a) Briefly describe each of the two approaches to writing such a specification (b) State how each approach affects the testing process and relate it to a Queue class where possible. ) Draw a state machine specifying the operations for a Queue using the defensive design approach. Use a modeling tool, such as Star UML to draw your state machine (statechart), copy and paste the state machine into this document. (d) Write test cases that satisfies the all transitions criteria for the Queue using the state machine. Note one test case should cover one transition. Assume the Queue stores Integer objects with mecimum size of 5 objects. (e Using the Eclipse IDE write well documented code for two (2) Queue classes, one for design by contract (Queued and the other for defensive design (QueueDD) Assume the Queue stores integer objects with comun size of 5 objects Two approaches used to write the specifications for operations between a sender and a receiver object(e.g. Queue) are based on design by contract and defensive design. [35] (a) Briefly describe each of the two approaches to writing such a specification (b) State how each approach affects the testing process and relate it to a Queue class where possible. ) Draw a state machine specifying the operations for a Queue using the defensive design approach. Use a modeling tool, such as Star UML to draw your state machine (statechart), copy and paste the state machine into this document. (d) Write test cases that satisfies the all transitions criteria for the Queue using the state machine. Note one test case should cover one transition. Assume the Queue stores Integer objects with mecimum size of 5 objects. (e Using the Eclipse IDE write well documented code for two (2) Queue classes, one for design by contract (Queued and the other for defensive design (QueueDD) Assume the Queue stores integer objects with comun size of 5 objects