Update README.md

Author: thisal-d

README.md

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-# Java-Data-Structures-Guide
-A comprehensive guide to Java data structures, covering both primitive data types (like String, int, float, double) and high-level data structures (such as arrays, linked lists, stacks, queues, trees, and maps). Each data structure includes detailed explanations, usage examples,
+# Java-Data-Structures
+A repository for understanding Java data structures. Covers primitive data types (e.g., int, float, double, char) and high-level data structures like arrays, linked lists, stacks, queues, trees, and maps, with detailed explanations and usage examples.