test
7 tutorials tagged “test”.
- Java Deep Dive TestFor experienced developers: test how well you know why Java behaves as it does. JIT, memory model, CAS, bytecode, HashMap and GC. 20 questions, 3 puzzles.
- Java Level 1 TestTest yourself on the first level of the course: how Java runs, variables, operators, loops, arrays and methods. 20 questions and 3 output puzzles, with answers.
- Java Level 2 TestTest yourself on object-oriented Java: constructors, inheritance, polymorphism, interfaces, records and design patterns. 20 questions and 3 output puzzles.
- Java Level 3 TestTest yourself on the Java core library: strings, exceptions, generics, collections, streams, dates and files. 20 questions and 3 output puzzles.
- Java Level 4 TestTest yourself on advanced Java: threads, executors, virtual threads, JVM memory, pattern matching and JDBC. 20 questions and 3 output puzzles.
- Java Level 5 TestThe final test of the Learn track: Maven, JUnit, Mockito, logging, clean code, algorithms and Big-O. 20 questions and 3 puzzles.
- Java Refresh Test (Java 9 to 25)Back to Java after the Java 8 days? Test yourself on what changed: var, records, sealed types, pattern matching and virtual threads. 20 questions, 3 puzzles.
