Tag: Programming

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Create and use String objects for text data.

Use common String methods: substring, equals, contains, replace, split, and trim.

Build mutable text efficiently with StringBuilder (or StringBuffer when thread-safe).

Group reusable logic into methods with clear names and return types.

Pass data into methods with parameters and understand pass-by-value semantics.

Define multiple methods with the same name but different parameter lists.

Select among many options with switch (classic and enhanced switch).

Repeat work with for, while, and do-while loops.

Use classic for loops and enhanced for-each loops over arrays/collections.