OOM.java

import java.util.LinkedList;
import java.util.List;

public class Main {
    public static void main(String[] args) {
        List<byte[]> ls = new LinkedList<>();
        try {
            while (true) {
                byte[] b = new byte[1024 * 1024];
                ls.add(b);
            }
        } catch (Throwable t) {
            System.out.println("Caught OOM, clearing.");
            ls.clear();
            main(args);
        }
    }
}