Java All Concepts With Examples

Open JDK vs Oracle JDK

Installations / Set up:

Data types:

Strings:

Objects:

Dates:

Collections:

AutoBoxing / Unboxing:

Multithreading:

Differences to know:

Patterns / Regex:

Algorithms & Data structures:

Files:

Exceptions:

Comparable / Comparator:

Database (MySQL) :

Performance Tuning:

Interview Questions & Answers:

Certifications / Certificates:

More:

Utilities: