?? alternatingdinermenuiterator.java
字號:
package headfirst.iterator.dinermergercafe;import java.util.Iterator;import java.util.Calendar;public class AlternatingDinerMenuIterator implements Iterator { MenuItem[] items; int position; public AlternatingDinerMenuIterator(MenuItem[] items) { this.items = items; Calendar rightNow = Calendar.getInstance(); position = rightNow.DAY_OF_WEEK % 2; } public Object next() { MenuItem menuItem = items[position]; position = position + 2; return menuItem; } public boolean hasNext() { if (position >= items.length || items[position] == null) { return false; } else { return true; } } public void remove() { throw new UnsupportedOperationException( "Alternating Diner Menu Iterator does not support remove()"); }}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -