Java

java Four functional interfaces （ a key , simple ）

Four functional interfaces: programmers in the new era ：lambda expression , Chain programming , Functional interface ,Stream Functional interfac...
2021-06-14 13:31 views 3

Teaching girls to learn Java： What is? Java?

Java What is it? “ second elder brother , What is it Java? Tell me about it .”“ Third sister , That's straight to the point , Go and buy me a pac...
2021-06-05 12:28 views 2

HashMap Explain in detail

Summary hash table （Hash table, Also called hash table ）, Is based on the key value (Key value) And directly access the data structure . in other ...
2021-06-02 22:55 views 0

Novice Xiaobai JAVA abnormal

catalogue DAY09- object-oriented 4 11 abnormal 21.1 summary 21.2 Exceptional inheritance structure 21.3 exception handling 21.4 practice ...
2021-05-11 17:59 views 4

Novice Xiaobai JAVA inherit super

1 inherit 1.1 Concept inheritance is one of the most significant characteristics of object-oriented, which derives new classes from existing class...
2021-05-10 09:55 views 5

Python Reptiles extract artifact , regular expression (re modular ), Full dry goods !

python regular expression (re modular ) What is regular expression? Regular expression (Regular Expression) It's a text mode , Include normal char...
2021-04-29 17:00 views 4

explore Java Non reflexive mechanism , How to save startup memory resource consumption !

along with Java Updated new features , For example, architecture decisions and their requirements . current , Cloud computing usually requires app...
2021-04-13 13:05 views 2

JVM summary

JVM summary 1. Virtual machine virtual machine is a virtual computer . Software simulation with complete hardware system functions , Computer syste...
2021-04-05 14:09 views 3

java Simple games

java Simple game making game ideas ： Set up character movement , Rules of the game , Integral system , Random moving monster , Game decision , time...
2021-04-05 13:23 views 3

Novice Xiaobai JAVA array Array tool class Two dimensional array

1 array 1.1 Concept array Array, The logo is [ ] , A collection used to store multiple data of the same type. You want to get the element values...
2021-04-02 08:41 views 3
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