Java
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Java 8 – How to convert Date to Timestamp and vice-versa ?
In this article, we will learn how to convert Date to Timestamp and vice-versa in Java Date to Timestamp conversion & vice-versa...
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Java 8 – How to convert LocalTime to XMLGregorianCalendar and vice-versa ?
In this article, we will learn how to convert LocalTime to XMLGregorianCalendar in Java 1.8 version and vice-versa 1. Convert...
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Java 8 – How to convert LocalTime to GregorianCalendar and vice-versa ?
In this article, we will learn how to convert LocalTime to GregorianCalendar using different methods provided in Java 1.8 version and...
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Java 8 – How to convert LocalTime to Calendar and vice-versa ?
In this article, we will learn how to convert LocalTime to Calendar using atDate () method of LocalTime provided in Java 1.8 version...
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Java 8 – How to convert LocalTime to java.sql.Timestamp and vice-versa ?
In this article, we will learn how to convert LocalTime to java.sql.Timestamp using atDate () method of LocalTime provided in Java 1.8...
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Java – Unsupported class file major version 61
It means Java 17 (major version 61) compiled the class file, and if we try to run the class file under Java 16 and below environment, and we will...
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Spring @RequestBody Annotation
In the Spring framework, the @RequestBody annotation maps the web request’s body to the method’s parameter, usually a domain object...
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List of Java class file major version numbers
This article shows all the major version of the Java class file , for example, Java 17 (major version 61), Java 11 (55), Java 8 (52)....
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Java on Visual Studio Code Update – August 2022
Hi everyone, welcome to the August update of Visual Studio Code Java. In this month’s update, we have brought more exciting features for...
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Java Annotated Monthly – September 2022
Hello! For the September edition of Java Annotated Monthly, we’ve prepared a lot of resources to help you transition smoothly into the fall...
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A Brief Overview over the Most Common jOOQ Types
For new users working with jOOQ for the first time, the number of types in the jOOQ API can be overwhelming. The SQL language doesn’t have...
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How to Plot an ASCII Bar Chart with SQL
No need for expensive Tableau subscriptions. Ditch Microsoft Excel. Just use native PostgreSQL to quickly visualise your data! Here’s an idea...
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The Second Best Way to Fetch a Spring Data JPA DTO Projection
I’ve just stumbled upon this great post by Vlad Mihalcea, titled The Best Way to Fetch a Spring Data JPA DTO Projection. It got some nice...
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Cannot resolve symbol ‘VERSION_3_17’ in jOOQ generated code
Starting with jOOQ 3.16 and #12601, there may be a compilation error with a message like this in your jOOQ generated code: [ERROR]...
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jOOQ 3.17 Supports Implicit Join also in DML
Since jOOQ 3.11, implicit joins have been supported. An implicit join is a JOIN (mostly a LEFT JOIN) that is generated implicitly because of the...
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A Condition is a Field
Starting with jOOQ 3.17, the Condition type extends the Field<Boolean> type. Because, that’s what the SQL standard thinks it is, in...
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The Many Ways to Return Data From SQL DML
Probably the hardest thing to standardise in SQL is RETURNING data from DML statements. In this article, we’ll look at various ways of doing...
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How to Integration Test Stored Procedures with jOOQ
When you write stored procedures and functions in your database, you want to ensure their correctness, just like with your Java code. In Java, this...
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Thymeleaf Form Handling with Spring Boot
pre { background-color: white !important; } code { background-color: white !important; } In this tutorial, we will...
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Job Opportunity: Senior Manager Java VM Development
The JVM Compiler team is responsible for development and maintenance of the HotSpot JIT compilers. The team works closely with SQE, Performance...
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Job Opportunity: Senior JDK Flight Recorder Engineer
The Java Virtual Machine Runtime Team is responsible for the development and maintenance of the virtual execution environment running the...
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Java 19 in Action - Inside Java Newscast #33
Java 19 is released on September 20th and, among other things, ships with virtual threads, structured concurrency APIs, sealed types, and...
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Job Opportunity: JDK Flight Recorder Engineer
The Java Virtual Machine Runtime Team is responsible for the development and maintenance of the virtual execution environment running the...
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airhacks.fm: Java 19 Millions of Threads in No Time
JavaOne is back, virtual threads and Java 19, the old Java’s green threads, mapping between OS threads and green threads cannot be changed after...
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Job Opportunity: JavaFX Engineers
The Java Client Development Team is responsible for the client libraries and the deployment technologies of the Java platform. This includes...