Explore deprecated classes in Spring and Spring Boot.
Here's what I've written (so far):
Learn how to convert a Map to a String and the other way around using both core Java methods and third-party libraries.
Learn how to convert between java.sql.Date and java.time.LocalDate
A busy week in the Java and Spring ecosystem, with several major releases, including Spring Framework, Spring Boot, and Spring Security, among others.
Learn that there is more than one way to find JAVA_HOME, including a platform-independent one.
Learn how to use Jackson to deserialize immutable objects
Learn how to upgrade the SSL socket protocol to TLS 1.2 in Java 7.
Learn how to use the curl tool inside a Java program.
Learn about the instanceof operator in Java
A quick and practical overview of Derive4j.
Explore features of the Java Enum implementation.
Learn about Java’s toString method.
A quick and practical guide to generating array permutations in Java.
A new series from Spring on integrating Boot apps with Microsoft Azure, and a quick guide on how to run tests individually and in groups with TestProject.
Learn how to determine if a Java String contains all of the letters in the alphabet
Learn about the differences between the Java ArrayList and Vector classes
Learn about Java’s Two Pointer Technique with practical examples.
Prepare for your next Java interview. How many of these do you already know?
Learn how to disable specific auto-configuration in Spring Boot tests
Learn about the control structures you can use in Java.