Hello, this is JavaLab.
We would like to thank all the teachers and students across the country who use JavaLab.
Due to the increase in users and traffic, JavaLab is planning to migrate its server.
Depending on the progress of the migration, access may be temporarily unavailable or unstable during this period.
Saturday night, September 12, 2026 – Sunday morning, September 13, 2026
The time during which access may be affected may vary depending on the time zone of your region or country.