hello

Specific programming language practice demo code.

There are so many programming languages, this repo is used for tracking daily practice.

structure

• groovy

  • test.groovy learn groovy for gradle.

• java

  • demo1 functional interface, lambda expression basic use.

  • demo2 stream practice, include filter/map/flatmap/collect/predicate/method reference.

  • demo3 show advanced use of stream - parallel/reduce.

  from demo1 to demo3, show how to use lambda expression.

  • demo4 generic, talk about type bound and type erase.

• py

  • hello.py just say hello to world.

  • findTarget.py read line from file & parse json data.

  • searchFrequency.py python class test.

  • localDbErr.py read csv file test.

  • localDbErrByPlatform.py dictionary nest & exception raise.

• rust

  • demo1 "hello world".