P

packages

definition, 24
members of, 25
package private access, 169
runtime package, 159
parameters

See also local variables
descriptor, syntax and meaning, 101
formal, 32
pc (program counter) register

definition, 67
performance

implications, opcode design and alignment, 80
pop instruction

definition, 346
pop2 instruction

definition, 347
popping

operand stack value(s)

pop, 346
pop2, 347
pound sign (#)

use in compilation example, 364
precise exception

definition, 43
precision

See also numeric
narrowing numeric conversion impact on, 87
widening numeric conversion impact on, 86
preparation

definition, 50
overview, 47
as part of linking, 164
prescient store

action, with threads, 404
primitive

See also conversions; floating-point; integers
types

definition, 62
as Java virtual machine data type, 61

values, 62
private modifier

See also ACC_PRIVATE flag
access implications, 27
enforcement, 169
in method declarations, 33
methods

invoking, invokespecial, 284
program counter

See pc (program counter) register
protected modifier

See also ACC_PROTECTED flag
access implications, 27
enforcement, 169
fields, structural constraints, 138
methods, structural constraints, 138
public modifier

See also ACC_PUBLIC flag
access implications, 27
class, 28
enforcement, 169
methods, 32
pushing

byte, bipush, 190
constants

ldc, 315
wide index, ldc_w, 316

double

dconst_<d>, 204
wide index, ldc2_w, 317

float, fconst_<f>, 234
int, iconst_<i>, 264
long

constants lconst_<l>, 314
wide index, ldc2_w, 317

null object references, aconst_null, 178
short, sipush, 356
putfield instruction

compilation examples

operand stack operations, 386
working with class instances, 381

constraints

static, 135
structural, 138, 139

definition, 348
putstatic instruction

constraints

static, 135
structural, 139

definition, 350