Java Development Details

Read the Java development notes in their original numbered order.

3 posts · In reading order

1. 1.

   Java Development Details (Part 1)

   This article collects Java fundamentals that are easy to overlook: two-dimensional arrays, string concatenation and character arrays, integer parsing and numeric ranges, digit conversion, and split parameters. Examples highlight type and boundary issues encountered in practice.

2. 2.

   Java Development Details (Part 2): Configuration Mistakes

   This article records three configuration mistakes: an incomplete quote around a MyBatis XML id, duplicate Spring MVC controller names, and a misspelled resultMap name. Error messages and troubleshooting steps illustrate why careful configuration checks matter.

3. 3.

   Java Development Details (Part 3)

   Two basic Java techniques illustrated with development examples: using a string’s length to calculate the starting index for extracting a fixed-length suffix with substring, and using a labeled break to exit an outer loop.