Selected Java Interview Questions
Aug 23, 2020 · Backend Development
Understanding the Difference Between yyyy and YYYY, and dd and DD in Java Date Formatting
This article explains how using uppercase YYYY and DD in Java date patterns produces week‑based year and day‑of‑year values, leading to unexpected results around year boundaries, and provides code examples and best‑practice recommendations to avoid these formatting bugs.
DateTimeFormatterJavadate formatting
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