ArrayList of prime numbers

import java.util.*;

public class test {
    public static void main(String[] args) {
        System.out.println(primeFinder(13));
    }

    public static ArrayList primeFinder(int n) {
        ArrayList<Integer> integerArray = new ArrayList<Integer>();
        
        for (int i = 1; i <= n; i++) {
            int count = 0;
            for (int j = i; j >= 1; j--) {
                if (i % j == 0) {
                    count++;
                }
            }
            if (count == 2) {
                integerArray.add(i);
            }
              
        }
        return integerArray;
    }
}

Similar codes

0 vote190 views1 answer
How to get app categories android packagemanager
Java
0 vote194 views1 answer
Java find view by id
Java
0 vote176 views1 answer
Jpa default value enum
Java
0 vote195 views1 answer
Mvn spring boot ends when closing vm
Java
4 votes197 views4 answers
Android volley
Java
-1 vote219 views2 answers
Calculating the percentile in java
Java
2 votes201 views1 answer
Java random primary key
Java
0 vote188 views1 answer
Keycloak spring boot application.properties
Java
1 vote184 views1 answer
Firestore add to field array
Java
0 vote188 views1 answer
How to return array in java
Java