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IFNULL.javaAPI DocJava SE 6 API3869Tue Jun 10 00:22:20 BST 2008com.sun.org.apache.bcel.internal.generic

IFNULL

public class IFNULL extends IfInstruction
IFNULL - Branch if reference is not null 
Stack: ..., reference -> ...
version
$Id: IFNULL.java,v 1.1.2.1 2005/07/31 23:45:09 jeffsuttor Exp $
author
M. Dahm

Fields Summary
Constructors Summary
IFNULL()
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Not to be used otherwise.

public IFNULL(InstructionHandle target)
    super(com.sun.org.apache.bcel.internal.Constants.IFNULL, target);
  
Methods Summary
public voidaccept(com.sun.org.apache.bcel.internal.generic.Visitor v)
Call corresponding visitor method(s). The order is:
Call visitor methods of implemented interfaces first, then
call methods according to the class hierarchy in descending order,
i.e., the most specific visitXXX() call comes last.
param
v Visitor object
    v.visitStackConsumer(this);
    v.visitBranchInstruction(this);
    v.visitIfInstruction(this);
    v.visitIFNULL(this);
  
public com.sun.org.apache.bcel.internal.generic.IfInstructionnegate()
return
negation of instruction
    return new IFNONNULL(target);