Java

Learn how to implement a Binary Heap and Heap Sort in Java. >>>

Learn how to create synchronized collections using the static synchronization wrappers available in the Java Collections Framework. >>>

Learn about java concrete classes and how they are different than interfaces and abstract classes >>>

Learn different ways in which Jackson can read XML data and write it to JSON. >>>

Learn about use cases for the modulo operator in Java >>>

Learn how to set up and run JUnit 5 tests with Gradle. >>>

Learn about the root cause of the Maven error ‘JAVA_HOME should point to a JDK not a JRE’ and how to resolve it >>>

Learn how to use data from one stream to find items in another >>>

Explore different ways of combining collections in Java. >>>

Learn how to convert between hexadecimal strings and byte arrays using the JDK and other popular libraries. >>>

Learn about different ways to set the Java version for your Maven project >>>

Learn how to write and customize XML output in Java >>>

Quickly learn about the EnumSet and how to start using it in practical scenarios. >>>

Learn the semantics of the @NotNull, @NotEmpty, and @NotBlank bean validation annotations in Java and how they differ. >>>

Learn how to use the Java 8 DateTimeFormatter class to format and parse dates and times >>>