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

1 vote183 views1 answer
Add external JARs to java vscode
Java
1 vote178 views1 answer
Breadth first search BST java
Java
0 vote189 views1 answer
Java abstract modifier
Java
9 votes217 views4 answers
How to wait time in java
Java
0 vote196 views1 answer
Android how to get month on world programmatically
Java
0 vote194 views1 answer
Rstudio boxplot coloring
Java
0 vote233 views1 answer
Open website from android activity
Java
0 vote293 views1 answer
Fix intellij resetting the java version everytime you add a dependency
Java
0 vote221 views1 answer
Make handler running continuously
Java
1 vote202 views1 answer
Turn off focus border java
Java