JavaNoJa

Build a daily Java Silver SE 17 study habit on your iPhone with guided drills, chapter tests, hard mode, progress tracking, and optional calendar reminders.

Javaのジャ！ is an iPhone study app designed for learners preparing for Java Silver SE 17 (1Z0-825-JPN).
It supports repeated practice across Java basics, data types, operators, classes, inheritance, exceptions, and comprehensive review, with explanations for each question.

Key features:

• Guided training mode with explanation-based learning
• Chapter tests to check readiness for the exam
• Hard mode that restarts after a single mistake
• Progress tracking for study time, accuracy, streaks, chapter progress, and achievements
• Optional daily, weekly, or monthly study reminders via Calendar events and alerts
• Offline-first learning without mandatory network usage

Recommended for:

• Learners preparing for Java Silver SE 17
• People who want to keep studying in short sessions
• Users who want both practice questions and clear explanations
• Learners who want reminders and progress tracking to stay consistent

Included content:

• 7 chapters
• 160 total questions
• Code snippet questions, multiple-answer questions, and comprehensive review content