​ Lesson2 Thirteen equals one equal ['i:kwəl] v. 等于 He equaled the world record. Nobody equals him in strength. Nobody matches him in strength. In English she has no equal in her class. be/ stand head and shoulders above sb. be much better than other…

vicar 牧师 grocer 杂货铺店主 with a start 由于受到惊吓 Whtaever are you dong up here?你究竟在这上面干什么?whatever用于疑问句中,用以加强what语气.我们平时经常说的是What are you doing? You certainly did give me a surprise. 在英语中助动词do,可以用来表示强调.此时助动词do放在位于谓语动词之前. in的短语:(ps:in后面一般接名词) in surprise in…

Lesson1  A puma at large Pumas are large, cat-like animals which are found in America. When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously. However, as the evidence began…

我就不废话那么多,直接上代码: package sf.com.mainTest; public class Test { public static void main(String[] args) { System.out.println(new Test().isBool(null)); } public boolean isBool(String a){ return a.equals("true"); // return "null".equals(a);…

Part I:equals() (javadoc) must define an equivalence relation (it must be reflexive, symmetric, and transitive). In addition, it must be consistent (if the objects are not modified, then it must keep returning the same value). Furthermore, o.equals(n…

1. 小样示例 public static void main(String[] args) { String a = "a" + "b" + 123; String b = "ab123"; System.out.println(a == b); }   true public static void main(String[] args) { String a = "a" + "b" + 123; St…

原文地址: http://www.cnblogs.com/dolphin0520/p/3592500.html 在初学Java时,可能会经常碰到下面的代码: 1 String str1 = new String("hello"); 2 String str2 = new String("hello"); 3 4 System.out.println(str1==str2); 5 System.out.println(str1.equals(str2)); 为什么第4…

浅谈Java中的equals和== 在初学Java时,可能会经常碰到下面的代码: 1 String str1 = new String("hello"); 2 String str2 = new String("hello"); 3 4 System.out.println(str1==str2); 5 System.out.println(str1.equals(str2)); 为什么第4行和第5行的输出结果不一样?==和equals方法之间的区别是什么?如果在初…

假如传入的T是一个类, List<MessageInfos> MessageInfos = new List<MessageInfos>(); MessageInfos= MessageInfos.FindAll(tmp => tmp.title.Contains(txt_title.Text.Trim()) || tmp.content.Contains(txt_content.Text.Trim()) || tmp.buyerMobile.Contains(txt_sea…

重构背景及原因 最近由于项目组的人员在不断扩充,导致项目中代码风格各异,大有百花齐放甚至怒放之势.考虑到团队的生存与发展,经过众人多次舌战之后,最终决定项目组根据业务分成几个小分队,以加强团队管理与提高效率,同时也能培养阶梯人才.各个小分队为了“统一”代码风格,提高成员的代码能力以便最终能提高项目代码质量,减少以后的维护成本,最终决定“每日”进行小组内的代码走查/审查(Code Review),然后进行代码重构. 直接比较与非比较:我所谓的直接比较与非比较是指"=="判断方式与&quo…