Tag：Methods
-
Java8 default methods principle and example explanation
This article mainly introduces the java8 default method default methods principle and example detailed explanation, the article through the example code introduction is very detailed, has the certain reference study value to everybody’s study or the work, needs the friend may refer to Java 8 introduces a new language feature, default methods. Default methods enable […]
-
Rethinking the Java static keyword
The Java class, while also wrote a lot of Java code, but there has been a lot of doubt, the static keyword has puzzled me for a long time, today didn’t mean to study, on zhihu check again carefully and found the best answer to the topic of https://www.zhihu.com/question/36615154 This article thoroughly understanding of the […]
-
S: by the way
__init__, class Dog(object): def __init__(self): Print (‘ the init method ‘) def __del__(self): Print (‘ del method ‘) def __str__(self): Print (‘ STR method ‘) def __new__(cls, *args, **kwargs): Print (‘ new method ‘) return object.__new__(cls) xtq=Dog() ”’ Three things to do: 1. Call the arbitration method to create the object, and then find a […]
-
Outputs the largest and the second largest of a group of Numbers
The first method: This method can be selected when the data is in basic order (ascending order) and the output order in the original data is not required void select_1(int a[],int length,int *min1,int *min2){ int i,j; bool change = true; for(i = 1;i <= 2 && change;i++){ change = false; for(j = 0;j < length […]
-
Methods, steps and precautions for installing mongodb database in windows and MAC
NoSQL database – mongodb database! Mongo DB is a kind of non-relational database (NoSql) which is very popular in IT industry. Its flexible data storage mode is favored by current IT practitioners. Mongo DB well implements the idea of object-oriented (OO), in which every record is a Document object. The biggest advantage of Mongo DB […]