[CSSチュートリアル]CSSのボーダーの半分または部分的に見えるコードは、ボーダーを達成するために

Concepts
	String buffers, buffers are used to store data, so they are also called containers. The principle of string composition is implemented by this class. (Used for string splicing with super efficiency )
	Difference between String and StringBuffer.

public Date(); the current system time

public long getTime(): get the number of milliseconds that this object time is from 1970.
public void setTime(long time): set a millisecond value to the object