Reflection was essential to the advanced Java toolkit for years. Now it's being superseded by newer, safer options. Here's how to use MethodHandle and VarHandle to gain programmatic access to methods ...

The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...

Java developers absolutely must learn Maven. Maven is the most popular and pervasive build tool in the Java world. Even if you don't use Maven directly, alternatives such as Gradle, Jenkins or Ivy ...

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When attempting to insert data for the first time into an empty table that includes a JSON column, the process triggers an exception as follows: Exception in thread "main" ...

json-java before v20230227 was discovered to contain a stack overflow via the map parameter. This vulnerability allows attackers to cause a Denial of Service (DoS ...

How to convert Java object to JSON : Converting Java object to JSON is a little complicated work in Java. We can use the third party api to make this easy. Jackson is one of the most popular api for ...