填空题

请写出下面程序的运行结果:
public class Test extends TT
public static void main(String args[])
Test t=new Test("Tom.");

public Test(String s)
super(s);
System.out.print("How are you");

public Test()
this("I am Jack.");


class TT
public TT()
System.out.print("Hi!");

public TT(String s)
this();
System.out.print("I am"+s);


结果: 【15】

【参考答案】

Hi ! I am Tom.How are you