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Bubble Sort
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// Java program for implementation of Bubble Sort | |
class BubbleSort | |
{ | |
void bubbleSort(int arr[]) | |
{ | |
int n = arr.length; | |
int j = 0; | |
boolean swap; | |
// last element don't need to be considered as it will be in right position by itself if all other are in position | |
for (int i = 0; i < n-1; i++){ | |
swap = false; | |
// we don't need to consider last - 1 element as we check j+1 element | |
for (j = 0; j < n-i-1; j++){ | |
if (arr[j] > arr[j+1]) | |
{ | |
// swap temp and arr[i] | |
int temp = arr[j]; | |
arr[j] = arr[j+1]; | |
arr[j+1] = temp; | |
swap = true; | |
} | |
} | |
if(swap == false) | |
break; | |
} | |
} | |
/* Prints the array */ | |
void printArray(int arr[]) | |
{ | |
int n = arr.length; | |
for (int i=0; i<n; ++i) | |
System.out.print(arr[i] + " "); | |
System.out.println(); | |
} | |
// Driver method to test above | |
public static void main(String args[]) | |
{ | |
BubbleSort ob = new BubbleSort(); | |
int arr[] = {164, 34, 2, 2229}; | |
// int arr[] = {4, 9, 10, 12}; | |
ob.bubbleSort(arr); | |
System.out.println("Sorted array"); | |
ob.printArray(arr); | |
} | |
} |
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