# Package java.lang.runtime

package java.lang.runtime
The `java.lang.runtime` package provides low-level runtime support for the Java language.

Since:
  14

- Related Packages
  Package
  Description
  java.lang
  Provides classes that are fundamental to the design of the Java programming language.
- Classes
  Class
  Description
  ExactConversionsSupport
  A testing conversion of a value is exact if it yields a result without loss of information or throwing an exception.
  ObjectMethods
  Bootstrap methods for state-driven implementations of core methods, including `Object.equals(Object)`, `Object.hashCode()`, and `Object.toString()`.
  SwitchBootstraps
  Bootstrap methods for linking `invokedynamic` call sites that implement the selection functionality of the `switch` statement.