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Ready-made multiple-choice practice quizzes, hand-checked. Take any free quiz online — every answer comes with an explanation, and every quiz page has a full answer key to revise from.
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Free · no sign-up · no time limit
Ready-made multiple-choice practice quizzes, hand-checked. Take any free quiz online — every answer comes with an explanation, and every quiz page has a full answer key to revise from.
IT
Check what you know about Spring Boot 4 and Spring Framework 7. Answer each question to see whether you got it right, with an explanation every time.
A free 6-question multiple-choice practice test on IT. Each question has one correct answer and a short explanation, and the full answer key below the player doubles as a study sheet. No account, no time limit — take it as often as you like.
This is a free, 6-question multiple-choice quiz. Answer each question to see whether you got it right, with an explanation for every answer. There is no sign-up and no time limit — take it as many times as you like, and use the answer key above to revise before or after.
Correct answer: CSpring Framework 7
Spring Boot 4 pairs with Spring Framework 7.
Correct answer: Bjakarta.*
Spring Boot moved fully to the jakarta.* namespace starting with Spring Boot 3, and Spring Boot 4 continues on it.
Correct answer: Aspring.threads.virtual.enabled
`spring.threads.virtual.enabled=true` switches supported executors to virtual threads.
Correct answer: CJava 21
Virtual threads (Project Loom) were finalized in Java 21.
Correct answer: AFaster GraalVM native-image builds and startup
AOT processing precomputes bean definitions and configuration ahead of time, which is what makes native-image builds practical.
Correct answer: Alogging.structured.format.console
`logging.structured.format.console` (and `.file`) select a structured logging format such as `ecs` or `gelf`.