Choose the VFD control mode based on the ratio of the system pressure to maximum internal pump pressure. For a centrifugal pump delivering to a system with high operating pressure and or high static ...

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 Now it's being superseded by newer, safer options.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 ...

Zaps of static electricity are commonplace in everyday life. But can static electricity give enough of a jolt to start a fire? Static electricity is the result of an imbalance between negative and ...

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Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes and ...

Lambda Scopes Accessing outer scope variables from lambda expressions is very similar to anonymous objects. You can access final variables from the local outer scope as well as instance fields and ...