Week 80 — Which mechanisms does Java provide for comparing objects?

Week 79 — Which options are there for packaging Java applications as native executables?

Week 78 — What does a shutdown hook do and how can one be created?

Week 77 — How can one create a TCP connection in a Java application?

Week 76 — What is Java bytecode and why is it needed?

Week 75 — What is the exit code of a program and how can exit codes be set from Java code?

Week 74 — What are common naming conventions used in Java programs?

Week 73 — What is a `PriorityQueue` and how does it differ from regular `Queue`s?

Week 72 — What is a Javadoc comment and how is it different from other comments?

Week 71 — Which garbage collectors does Java provide and what are the differences between them?

Week 70 — How can one get the current date and time in a Java application?

Week 69 — What is the purpose of `ArrayDeque` and how can it be used?

Week 68 — Which mechanisms does Java provide for concatenating `String`s with other variables?

Week 67 — What is a JEP (JDK Enhancement Proposal)?

Week 66 — What is the purpose of the class `Lock` (in package `java.util.concurrent.locks`)?

Week 65 — What are sequenced collections?

Week 64 — What is a heap dump and why can it be useful?

Week 63 — What is the `jwebserver` tool?

Week 62 — What is a debugger?

Week 61 — What is a stack trace and how can one read it?