Explore the various techniques available to check whether a double is, in fact, a mathematical integer.
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How to Convert Byte Array to Char Array
Learn how to convert bytе arrays to charactеr arrays in Java while managing various data manipulation tasks.
Java Weekly, Issue 518
Unnamed patterns, Spring boot 3.2, generational ZGC, custom JFR events, index selectively, and chopping a monolith
Java Weekly, Issue 517
Last few days of Black Friday. Cascading deletes with Hibernate, Spring 6.1, String Templates, Ktor, error handling, and test data generation. A good week 🙂
Asserting Nested Map With JUnit
Learn the different ways of asserting the presence of a nested map with JUnit.
Java Weekly, Issue 516
Table partitioning with Spring, pattern matching, project loom, generational GC, log4shell retro, and Open Telemetry collector!
Sharing Memory Between JVMs
Learn how to use share a memory area between two JVMs running on the same machine.
Java Weekly, Issue 515
In-memory HTTP server, SSL hot reloading, Kotlin multi-platform, new reactor features, and API versioning!
How to Write and Read a File with a Java HashMap
Explore three methods for writing to and reading from a file with HashMap data.
How to Iterate Over the String Characters in Java
In this tutorial, we learn how to iterate over the characters of a String in Java.
Java Weekly, Issue 514
Spring 6.1 is getting closer, and we still have lots of things to explore in Java 21 🙂
Java Weekly, Issue 513
Starting to look forward towards Java 22. Good stuff is acoming.
Truncate a Double to Two Decimal Places in Java
Learn to truncate a double to two decimal places in Java.
How to Convert Double to Float in Java
Explore double and float in Java and learn how to convert them into each other.
Java Weekly, Issue 511
Concurrent undo cycle, virtual thread pinning, Kafka worker on virtual threads, Java in Netflix, and no silver bullet in databases. A good week.
Java Weekly, Issue 510
Unused variables, pinned threads, class-file API, concurrent undo cycle, strategy pattern, and managerial skills!
Create an ArrayList with Multiple Object Types
Learn how to create an ArrayList with multiple object types in Java.
Java Weekly, Issue 509
Virtual threads, Java 21, more switch enhancements, GraalOS, JVM stack size, and updating events in EDA!
How To Convert Excel Data Into List Of Java Objects
Learn about the usage of several libraries, such as Apache POI, Poiji, FastExcel, and JExcelApi, to read and convert data from Excel files into Java objects.
Java Weekly, Issue 508
Java 21, monkey patching with Java, high-performant records, 12-factor apps, OpenJDK migrations, and real-time applications!