Two coordination notes: (1) #2749 edits the same two files (AgentSpawnTool.java, SubagentDeclaration.java), so please call out the overlap in your PR description rather than resolve it up front; (2) ...

Week-3 Java Date and Time.java Week-3 Java Priority Queue.java Week-3 Largest number.java Week-3 Number of days between two dates.java Week-4 Compare the Triplets.java Week-4 Contains duplicate.java ...

This follow-up report details how UNC6240 (ShinyHunters) is mass-exploiting Oracle PeopleSoft (CVE-2026-35273) by bypassing WAF rules via a single URL-encoded character, providing full analysis of the ...

I provided 14 different ways of 'checking if a string is digits only' with a string consisting of 123 followed by a newline.