Problems with Levenshtein algorithm in Java

Question

I want to use the Levenshtein algorithm for the following task: if a user on my website searches for some value (he enters characters in a input), I want to instantly check for

Answer 1

public class Algorithmm {
    public static void main(String args[])
    {
        Scanner sc= new Scanner(System.in);
        System.out.println("Enter the correct string ");
        String correct=sc.nextLine();
        System.out.println("Enter the incorrect string ");
        String incorrect=sc.nextLine();
        int i=correct.length(),j=incorrect.length();
        ++i ; ++j;
        int a[][] = new int[i][j];
        int b[] = new int[3];       
        for(int m=0;m