Programming Methodology

Question

What's the best resource or website or app that will help me improve my logical skills and concatenate and make the code more effective and general?
I know basic programming required in java and c and also c++ but wanna brush up my programming methodology and problem solving ability and logics that require higher order of thinking.

Answer 1

https://www.sololearn.com/Discuss/553609/?ref=app

Answer 2

Continous coding practices

Answer 3

Mara Sharess and Esenyi Solomon
I appreciate that but what I was asking is what are the resources where I can get higher order thinking problems (and sol. if possible), because one doesn't gets into a situation where efficient logic is required.