public int dynamicEditDistance(char[] str1, char[] str2){
        int temp[][] = new int[str1.length+1][str2.length+1];
        
        for(int i=0; i < temp[0].length; i++){
            temp[0][i] = i;
        }
        
        for(int i=0; i < temp.length; i++){
            temp[i][0] = i;
        }
        
        for(int i=1;i <=str1.length; i++){
            for(int j=1; j <= str2.length; j++){
                if(str1[i-1] == str2[j-1]){
                    temp[i][j] = temp[i-1][j-1];
                }else{
                    temp[i][j] = 1 + min(temp[i-1][j-1], temp[i-1][j], temp[i][j-1]);
                }
            }
        }
       
        return temp[str1.length][str2.length];
        
    }