Garbage Collections - General Questions

In which memory area does new place Java objects?

What does System.gc() do?

The finalize() method is:

Which reference type is cleared when memory is low but kept otherwise?

What is the output of the following program?

public class Main {
    public static void main(String[] args) {
        Runtime rt = Runtime.getRuntime();
        System.out.println(rt.maxMemory() > 0);
    }
}