Алексей Черемисин

// ....
ResultSet result = stat.executeQuery("SELECT damage FROM bleed WHERE nickname = '" + nickname + "'");
rs.next(); // от это!!!!
int count = result.getInt(1);
// ...

При открытии набора данных ResultSet курсор расположен перед первой строкой, и первый вызов next передвигает его на первую строку.

f=open("test.rtf","r")
for line in f:
    words=line.split()
    if words:
        if words[0] == "mom":
           print(words[0])
           print(line)

f.close()

public class Main{
    public static void main(String[] args){
        int [][] number = new int[2][2];

        for( int i = 0; i < number.length; i++){
            for(int j = 0; j < number[i].length; j++){ // ЗДЕСЬ .lenght и j++
                System.out.println(number[i][j]);
            }
        }
    }
}

{"0":  {"Date":  "2022-07-15 11:25:19" .....},
"1":  {"Date":  "2022-07-15 11:26:19" .....},
"2":  {"Date":  "2022-07-15 11:27:19" .....},
"3":  {"Date":  "2022-07-15 11:28:19" .....}
...}

import json
import pprint

data = """
{
    "0":  {"Date":  "2022-07-15 11:25:19", "Name": "Name-0"},
    "1":  {"Date":  "2022-07-15 11:26:19", "Name": "Name-1"},
    "2":  {"Date":  "2022-07-15 11:28:19", "Name": "Name-2"},
    "3":  {"Date":  "2022-07-15 11:23:19", "Name": "Name-3"}
}
"""

data_ = json.loads(data)
data__ = [v for v in  data_.values()]

pprint.pprint(sorted(data__,  key = lambda measure: measure['Date']))