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Copy pathBubbleSort.java
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45 lines (43 loc) · 951 Bytes
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import java.util.Scanner;
public class BubbleSort
{
public static void main(String[] args)
{
Scanner sc=new Scanner(System.in);
System.out.println("enter the length of array:");
int len=sc.nextInt();
int arr[]=new int[len];
System.out.println("enter"+len+" elements:");
for(int i=0;i<len;i++)
{
arr[i]=sc.nextInt();
}
System.out.println("before sorting:");
for(int i=0;i<len;i++)
{
System.out.println("arr["+i+"] -> "+arr[i]);
}
// ^^ to enter a array ^^
System.out.println("after sorting:");
sortArray(arr);
}
private static void sortArray(int[] arr)
{
for(int i=0;i<arr.length-1;i++) //first element
{
for(int j=i+1;j<arr.length;j++) //next element
{
if(arr[i]>arr[j]) //3 2 1->2 3 1->1 3 2->1 2 3
{
int temp=arr[i]; //3
arr[i]=arr[j]; //2
arr[j]=temp; //3
}
}
}
for(int i=0;i<arr.length;i++)
{
System.out.println("arr["+i+"] -> "+arr[i]);
}
}
}