Big Java Late Objects
Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
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Chapter 9, Problem 3PE
Program Plan Intro

Quiz Question

Program plan:

Filename: “Question.java”

This program file is used to define a class “Question”. In the code,

  • Define a class “Question”.
    • Declare class variables “text” and “answer”.
    • Define a constructor “Question()”.
      • Initialize the “text” and “answer”.
    • Define a method “setAnswer()”.
      • Initialize the value of “answer”.
    • Define a method “checkAnswer()”.
      • Return the value.
    • Define a method “display()”.
      • Print the value of “text”.

Filename: “QuestionTester.java”

This program file is used to define a class “QuestionTester”. In the code,

  • Define a class “QuestionTester”.
    • Define a method “main()”.
    • Declare an object “q” of class “Question”.
    • Call the method “setAnswer()” to set the answer.
    • Call the method “checkAnswer()” for different type of answers and print the result.
    • Print the expected result.

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Exercise 1 Function and Structure [30 pts] Please debug the following program and answer the following questions. There is a cycle in a linked list if some node in the list can be reached again by continuously following the next pointer. #include typedef struct node { int value; struct node *next; } node; int 11_has_cycle (node *first) if (first == node *head = { NULL) return 0; first; while (head->next != NULL) { } if (head first) { return 1; } head = head->next; return 0; void test ll_has_cycle () { int i; node nodes [6]; for (i = 0; i < 6; i++) { nodes [i] .next = NULL; nodes [i].value = i; } nodes [0] .next = &nodes [1]; nodes [1] .next = &nodes [2]; nodes [2] .next = &nodes [3]; nodes [3] .next nodes [4] .next &nodes [4]; NULL; nodes [5] .next = &nodes [0]; printf("1. Checking first list for cycles. \n Function 11_has_cycle says it has s cycle\n\n", 11_has_cycle (&nodes [0])?"a":"no"); printf("2. Checking length-zero list for cycles. \n Function 11_has_cycle says it has %s…
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Big Java Late Objects

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