Tag: Programming

Use Integer, Double, Boolean, and other wrappers for primitives in collections.

Use finally for cleanup that must run after try/catch.

Throw exceptions with throw and declare checked exceptions with throws.

Create domain-specific exception classes for clearer error handling.

Use Java Collections for lists, sets, and maps instead of only arrays.

Hide implementation details behind abstract classes and interfaces.

Define incomplete base classes with abstract methods.

Define contracts with interfaces and implement them in classes.

Organize classes into packages and import what you need.

Handle runtime failures with exceptions instead of ignoring errors.