Methods for working with Java collections. Each interface in the JCF, including java.util.collection, has specific methods available for accessing and manipulating individual elements of the ...

The Java Memory Map (JMAP) utility has a method that prints a histogram of the Java heap. One side effect of the jmap command is that when it's called, it forces a garbage collection routine. However, ...

Method and variable handles vs. Java reflection. To truly understand MethodHandles and VarHandles—what they do and why they are useful—it’s helpful to know a few things about reflection in Java.