# Uses of Class
org.apache.bcel.generic.DUP2

Packages that use DUP2
Package
Description
org.apache.bcel.generic
Generic part of the Apache Byte Code Engineering Library (BCEL), classes to dynamically modify class objects and byte code instructions.
org.apache.bcel.verifier.structurals
A PassVerifier class mostly used internally by JustIce, yielding a control flow graph for public use as a nice side effect.

- ## Uses of DUP2 in org.apache.bcel.generic

  Methods in org.apache.bcel.generic with parameters of type DUP2
  Modifier and Type
  Method
  Description
  `void`
  EmptyVisitor.`visitDUP2(DUP2 obj)`
  `void`
  Visitor.`visitDUP2(DUP2 obj)`

- ## Uses of DUP2 in org.apache.bcel.verifier.structurals

  Methods in org.apache.bcel.verifier.structurals with parameters of type DUP2
  Modifier and Type
  Method
  Description
  `void`
  ExecutionVisitor.`visitDUP2(DUP2 o)`
  Symbolically executes the corresponding Java Virtual Machine instruction.
  `void`
  InstConstraintVisitor.`visitDUP2(DUP2 o)`
  Ensures the specific preconditions of the said instruction.