Master Student Geographic Aggregation in Java with Nested Maps

This article explains how to solve the Student Geographic Information Report problem by defining a Student class, using three‑level nested Java Maps for province‑city‑district grouping, and implementing aggregation and ranking logic to count students per region and identify the city with the most students.

Geographic InformationJavaMAP

0 likes · 6 min read

Master Student Geographic Aggregation in Java with Nested Maps

Java Architect Essentials

Feb 21, 2024 · Information Security

Student Information Leakage via Unauthenticated API in a University System

The article details a security case where an unauthenticated university API allowed an attacker to enumerate and download thousands of students' personal data by manipulating pagination parameters after discovering default credentials from a leaked PDF.

API enumerationStudent Datadata leakage

0 likes · 7 min read

Student Information Leakage via Unauthenticated API in a University System