# Uses of Interface
java.lang.classfile.instruction.DiscontinuedInstruction

Packages that use DiscontinuedInstructionPREVIEW
Package
Description
java.lang.classfile.instruction
Provides interfaces describing code instructions for the `java.lang.classfile`PREVIEW library.

- ## Uses of DiscontinuedInstructionPREVIEW in java.lang.classfile.instructionPREVIEW

  Subinterfaces of DiscontinuedInstructionPREVIEW in java.lang.classfile.instructionPREVIEW
  Modifier and Type
  Interface
  Description
  `static interface`
  `DiscontinuedInstruction.JsrInstructionPREVIEW`
  Preview.
  Models JSR and JSR_W instructions discontinued from the `code` array of a `Code` attribute since class file version 51.0.
  `static interface`
  `DiscontinuedInstruction.RetInstructionPREVIEW`
  Preview.
  Models RET and RET_W instructions discontinued from the `code` array of a `Code` attribute since class file version 51.0.