请写出以下java代码的输出内容1
public class TestCount { public static void main(String args[]) { Count count = new Count( ); count.count(count.getCount( )).getCount( ); new Count( ).count(count.getCount( )); } public static class Count { volatile Integer count = 2018; public Count count(Integer count) { System.out.println(++count); return this; } public Integer getCount( ) { System.out.println(++count); return count; } } }