Made for Deniz · Java + ISTQB CTFL
Everything in one place: refresh your Java, learn the whole ISTQB syllabus visually, then test yourself under real exam conditions.
All the Java fundamentals from your practice repo — variables, loops, strings, collections, methods, classes — in simple English.
Start refreshing → 🧪The complete CTFL v4.0 syllabus on one visual page — diagrams for every concept, plus the exam traps to watch out for.
Start learning → ⏱️The four official CTFL sample exams with a real countdown, pass/fail scoring and full explanations for every answer.
Take an exam →