project9November2018/12-16-18-class-notes at master · PeopleNTechJavaSelenium/project9November2018 · GitHub

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12-16-18 class notes

Array
ArrayList, LinkedList:  Linear data structure
Map, HashMap….
212- 546-7689

212——>

254
546

Tree: non linear Data structure

Graph: non linear Data structure

Swap:

Sorting:

Selection Sort
Insertion Sort
Bubble Sort
Merge Sort
Heap Sort
Bucket Sort
Quick Sort


Selection Sort:   9, 7, 8, 6, 4, 1, 5

9, 7, 8, 6, 4, 1, 5
1  7  8  6.  4  9  5
1  4. 8. 6.  7.  9. 5
1  4  5  6.  7.  9. 8
1. 4. 5. 6.  7.  9.  8
1. 4  5  6.  7   9.  8
1. 4. 5  6.  7.  8.  9
1. 4. 5. 6.  7.  8.  9


Insertion Sort:   9, 7, 8, 6, 4, 1, 5

 9, 7, 8, 6, 4, 1, 5
 7. 9. 8. 6  4. 1. 5
 7  8  9  6. 4. 1. 5
 6. 7. 8  9. 4. 1. 5
4.  6  7. 8. 9. 1. 5
1. 4.  6  7  8. 9  5
1. 4.  5. 6. 7. 8. 9

Bubble Sort:   9, 7, 8, 6, 4, 1, 5.   O(nXn)

9, 7, 8, 6, 4, 1, 5
7   8. 6. 4. 1. 5. 9
7.  6. 4. 1. 5. 8. 9
6.  4. 1. 5. 7. 8. 9
4 1  5   6  7  8   9
1  4   5   6   7   8  9


Merge Sort: 9, 7, 8, 6, 4, 1, 5

9, 7, 8, 6, 4, 1, 5