Check out example codes for "java bubble sort". It will help you in understanding the concepts better.

Code Example 1

public static void bubbleSort(int arr[])
{
	for (int i = 0; i < arr.length; i++) //number of passes
    {
		//keeps track of positions per pass      
    	for (int j = 0; j < (arr.length - 1 - i); j++) //Think you can add a -i to remove uneeded comparisons 
        {
          	//if left value is great than right value 
        	if (arr[j] > arr[j + 1])
            {
              	//swap values
            	int temp = arr[j];
              	arr[j] = arr[j + 1];
              	arr[j + 1] = temp; 
            }
        }
    }
}

Code Example 2

func Sort(arr []int) []int {
	for i := 0; i < len(arr)-1; i++ {
		for j := 0; j < len(arr)-i-1; j++ {
			if arr[j] > arr[j+1] {
				temp := arr[j]
				arr[j] = arr[j+1]
				arr[j+1] = temp
			}
		}
	}
	return arr
}

Code Example 3

public class BubbleSortExample {  
    static void bubbleSort(int[] arr) {  
        int n = arr.length;  
        int temp = 0;  
         for(int i=0; i < n; i++){  
                 for(int j=1; j < (n-i); j++){  
                          if(arr[j-1] > arr[j]){  
                                 //swap elements  
                                 temp = arr[j-1];  
                                 arr[j-1] = arr[j];  
                                 arr[j] = temp;  
                         }  
                          
                 }  
         }  
  
}

Code Example 4

// Optimized java implementation 
// of Bubble sort 
import java.io.*; 
  
class GFG  
{ 
    // An optimized version of Bubble Sort 
    static void bubbleSort(int arr[], int n) 
    { 
        int i, j, temp; 
        boolean swapped; 
        for (i = 0; i < n - 1; i++)  
        { 
            swapped = false; 
            for (j = 0; j < n - i - 1; j++)  
            { 
                if (arr[j] > arr[j + 1])  
                { 
                    // swap arr[j] and arr[j+1] 
                    temp = arr[j]; 
                    arr[j] = arr[j + 1]; 
                    arr[j + 1] = temp; 
                    swapped = true; 
                } 
            } 
  
            // IF no two elements were  
            // swapped by inner loop, then break 
            if (swapped == false) 
                break; 
        } 
    } 
  
    // Function to print an array  
    static void printArray(int arr[], int size) 
    { 
        int i; 
        for (i = 0; i < size; i++) 
            System.out.print(arr[i] + " "); 
        System.out.println(); 
    } 
  
    // Driver program 
    public static void main(String args[]) 
    { 
        int arr[] = { 64, 34, 25, 12, 22, 11, 90 }; 
        int n = arr.length; 
        bubbleSort(arr, n); 
        System.out.println("Sorted array: "); 
        printArray(arr, n); 
    } 
} 
  
  
// This code is contributed  
// by Nikita Tiwari.

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