import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        var list = new ArrayList<Integer>();
        for (var i=0; i<10; i++) {
            list.add(i);
        }

        list.forEach(item -> {
               if (item == 3) list.remove(item); 
        });
    }
}