The Java Predicate interface of the java.util.function package is a functional interface that is often used as an assignment target for lambda expressions. The test(T t) method is the class’s…
The basic idea of predicate pushdown is that certain parts of SQL queries (the predicates) can be “pushed” to where the data lives. This optimization can drastically reduce query/processing time…
The Java Consumer interface of the java.util.function package is a functional interface that is often used as an assignment target for lambda expressions. accept(T t) is the interface’s single abstract…
Simply put, a Java functional interface is an interface with a single abstract method. Functional interfaces were released with Java 8 and provide target types for lambda expressions. The java.util.function…
In general a lambda expression is an anonymous function, which means for some combination of inputs, there is a specific output. In the context of Java, a lambda expression is…
Tags in Git are a way to bookmark specific commits. This is often done to indicate different versions or releases of a project. There is no straight forward way to…
When working with Apache Kafka you might want to write data from a Kafka topic to a local text file. This is actually very easy to do with Kafka Connect.…