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1. Ask HN: Free resources to study for new Oracle's 1Z0-819 (Java11) certification? 1 point by itsmeamario on Oct 2, 2020 | past | 1 comment 2. Ask HN: Stack to start learning full-stack being a back end developer? 1 point by itsmeamario on May 12, 2020 | past | 1 comment 3. First side project – personal portfolio / blog (mariocod.es) 1 point by itsmeamario on May 11, 2020 | past | 1 comment

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