Module java.base

Package java.lang.classfile^PREVIEW

Interface Instruction

All Superinterfaces:

ClassFileElementPREVIEW, CodeElementPREVIEW

All Known Subinterfaces:

ArrayLoadInstructionPREVIEW, ArrayStoreInstructionPREVIEW, BranchInstructionPREVIEW, ConstantInstructionPREVIEW, ConstantInstruction.ArgumentConstantInstructionPREVIEW, ConstantInstruction.IntrinsicConstantInstructionPREVIEW, ConstantInstruction.LoadConstantInstructionPREVIEW, ConvertInstructionPREVIEW, DiscontinuedInstructionPREVIEW, DiscontinuedInstruction.JsrInstructionPREVIEW, DiscontinuedInstruction.RetInstructionPREVIEW, FieldInstructionPREVIEW, IncrementInstructionPREVIEW, InvokeDynamicInstructionPREVIEW, InvokeInstructionPREVIEW, LoadInstructionPREVIEW, LookupSwitchInstructionPREVIEW, MonitorInstructionPREVIEW, NewMultiArrayInstructionPREVIEW, NewObjectInstructionPREVIEW, NewPrimitiveArrayInstructionPREVIEW, NewReferenceArrayInstructionPREVIEW, NopInstructionPREVIEW, OperatorInstructionPREVIEW, ReturnInstructionPREVIEW, StackInstructionPREVIEW, StoreInstructionPREVIEW, TableSwitchInstructionPREVIEW, ThrowInstructionPREVIEW, TypeCheckInstructionPREVIEW

public sealed interface Instruction
extends CodeElementPREVIEW
permits ArrayLoadInstructionPREVIEW, ArrayStoreInstructionPREVIEW, BranchInstructionPREVIEW, ConstantInstructionPREVIEW, ConvertInstructionPREVIEW, DiscontinuedInstructionPREVIEW, FieldInstructionPREVIEW, InvokeDynamicInstructionPREVIEW, InvokeInstructionPREVIEW, LoadInstructionPREVIEW, StoreInstructionPREVIEW, IncrementInstructionPREVIEW, LookupSwitchInstructionPREVIEW, MonitorInstructionPREVIEW, NewMultiArrayInstructionPREVIEW, NewObjectInstructionPREVIEW, NewPrimitiveArrayInstructionPREVIEW, NewReferenceArrayInstructionPREVIEW, NopInstructionPREVIEW, OperatorInstructionPREVIEW, ReturnInstructionPREVIEW, StackInstructionPREVIEW, TableSwitchInstructionPREVIEW, ThrowInstructionPREVIEW, TypeCheckInstructionPREVIEW (not exhaustive)

Instruction is a preview API of the Java platform.

Programs can only use Instruction when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

Models an executable instruction in a method body.

Since:

22

Method Summary

Modifier and Type	Method	Description
OpcodePREVIEW	opcode()	Returns the opcode of this instruction.
int	sizeInBytes()	Returns the size in bytes of this instruction.

Method Details

opcode

OpcodePREVIEW opcode()

Returns the opcode of this instruction.

Returns:

the opcode of this instruction

sizeInBytes

int sizeInBytes()

Returns the size in bytes of this instruction.

Returns:

the size in bytes of this instruction