芒果蜜桃π

java正则表达式去掉小数点后面多余的0出处：java正则去掉小数点后多余0 - - ITeye博客 http://jiauwu.iteye.com/blog/1240794 /** * 去掉多余的.与0 * @author Hust * @Time 2011-11-7 */ public class TestString { public static...

转载于[ArrayList的contains方法 - 优快云博客 https://blog.youkuaiyun.com/witsmakemen/article/details/7323604](https://blog.youkuaiyun.com/witsmakemen/article/details/7323604)  Arr...

Java compareTo() 方法 | 菜鸟教程 http://www.runoob.com/java/number-compareto.html private void sortFood(){ List<FoodMode> foodModeList = new ArrayList(); foodModeList.add(new FoodMod...

申明的变量： private String[] permissions = {Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE}; private final static int RESULT_SUCCESS = 3; private String read...