Lab Java Constructor

Use Display 4.14 to call 4.13 (2nd ed.) or
Display 4.12 to call 4.11 (1st ed.).

After you finish the above, try the following

Date birthday = new Date("Jan",1,2000);
birthday.Date("Feb",1,2000);
birthday.setDate("Feb",1,2000);
birthday=new Date("Mar",1,2000);

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(附)如果今天程式有使用到constructor，但你的程式沒有寫到constructor()，因此在主程式寫到Date object = new Date( )，此時程式就會出錯。如下圖: