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Chapter: 7 / Q: 15
(Eliminate duplicates) Write a method that returns a new array by eliminating the duplicate values in the array using the following method header:
Chapter: 7 / Q: 16
(Execution time) Write a program that randomly generates an array of 100,000 integers and a key
Chapter: 7 / Q: 17
(Sort students) Write a program that prompts the user to enter the number of students, the students’ names, and their scores, and prints student names in decreasing order of their scores
Chapter: 7 / Q: 18
(Bubble sort) Write a sort method that uses the bubble-sort algorithm. The bubblesort algorithm makes several passes through the array
Chapter: 7 / Q: 19
(Sorted?) Write the following method that returns true if the list is already sorted in increasing order
Chapter: 7 / Q: 20
(Revise selection sort) In Section 7.11, you used selection sort to sort an array. The selection-sort method repeatedly finds the smallest number in the current array and swaps it with the first
Chapter: 7 / Q: 21
(Game: bean machine) The bean machine, also known as a quincunx or the Galton box, is a device for statistics experiments named after English scientist Sir Francis Galton
Chapter: 7 / Q: 23
(Game: locker puzzle) A school has 100 lockers and 100 students. All lockers are closed on the first day of school. As the students enter, the first student, denoted S1, opens every locker
Chapter: 7 / Q: 24
(Simulation: coupon collector’s problem) Coupon collector is a classic statistics problem with many practical applications. The problem is to pick objects from a set of objects repeatedly and find out how many picks are needed for all the
Chapter: 7 / Q: 25
(Algebra: solve quadratic equations) Write a method for solving a quadratic equation using the following header:
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