Collections.sort(List<Object>, new Comparator<Object>() { public int compare(Object o1, Object o2) { return o1.getSort().compareTo(o2.getSort()); } }); Collections.sort(articles, new Comparator<Article>() { public int compare(Article kf1…
水果 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8666 Accepted Submission(s): 3447 Problem Description 夏天来了~~好开心啊,呵呵,好多好多水果~~Joe经营着一个不大的水果店.他认为生存之道就是经营最受顾客欢迎的水果.现在他想要一份水果销售情况的明细表,这样Joe就可以很容…
满足strict weak ordering的运算符能够表达其他所有的逻辑运算符(logical operator): <(a, b) : (a < b) <=(a, b): !(b < a) ==(a, b): !(a < b) && !(b < a) !=(a, b) : (a < b) || (b < a) >(a, b) : (b < a) >=(a, b): !(a < b) 引用自https://www…
在go语言基础知识中,有个知识点是go语言的自定义排序,我在学习完之后,自己做了一些小练习和总结. 首先按照惯例,还是呈上代码演示: package main import "fmt" import "sort" type Person struct { Name string Age int } type Byage []Person func (a Byage) Len() int { return len(a) } func (a Byage) Swap(i,…