How to increase my programming skill in JAVA?

Answer 1

https://www.sololearn.com/Discuss/437973/?ref=app

Answer 2

https://www.sololearn.com/discuss/580291/?ref=app
https://www.sololearn.com/Discuss/923664/?ref=app
https://www.sololearn.com/Discuss/204501/literature-for-programming-languages-books
https://www.sololearn.com/Discuss/591866/?ref=app
https://www.sololearn.com/Discuss/510275/?ref=app

Answer 3

by seeing comments after every lesson , making codes on what u hv learned & trying modifications to make your program better
//always try to make efficient & small

Answer 4

Above all, you should write Java programs everyday.