Week 146 — What is an ArrayList?

Week 145 — What is the Semaphore class and what is it used for?

Week 144 — What is a record pattern and how can one use it?

Week 143 — How can one encrypt a message using RSA?

Week 142 — What is jshell?

Week 141 — What kinds of comments can be used in Java and how do they differ?

Week 140 — What are multi-release JARs and how are they structured?

Week 139 — What is JPA (Jakarta Persistence)?

Week 138 — What is a system property and how can it be passed to a Java application?

Week 137 — What primitive types does Java provide and how do they differ?

Week 135 — What is SOLID in the context of OOP?

Week 134 — What is JFR (JDK Flight Recorder)?

Week 133 — How can one use a newer JDK to compile applications for an older Java version?

Week 132 — How can one compute an SHA-256 hash in a Java application?

Week 131 — How can one set the garbage collector used by a Java application?

Week 130 — What is the `var` keyword and how can one use it?

Week 129 — How can one create and start a new process?

Week 128 — What are text blocks and how can they be used?

Week 127 — What are nested classes and how do they work?

Week 126 — How are JAR files structured?