Prentice.Hall.Introduction.to.Java.Programming,.Brief.Version.9th.(2014).[sharethefiles.com]

804 Index
Ovals, drawing, 483–484, 487
Overflows
Rational class, 589
variables, 45
Overloading methods, 193–196
Overriding methods, 418–420
P
p (pi), estimating, 158–159, 215
Package-private (package-access) visibility modifiers, 317
Packages
importing, 23–24
importing JFrame package, 449
organizing classes in, 318
organizing programs in, 22
predefined classes grouped into, 23
Page Down key, on keyboards, 8
Page Up key, on keyboards, 8
paintComponent method
DisplayImage.java example, 505
drawing arcs and, 488–489
DrawPolygon.java example, 492–493
JComponent class, 480, 482
MessagePanel.java, 494
StillClock.java, 503
TestCenterMessage.java example, 494
Palindromes
case study: checking if string is a palindrome, 347–348
case study: ignoring nonalphanumeric characters when
checking palindromes, 356–358
palindrome integers, 212
palindromic primes, 218
RecursivePalindrome.java, 746–747
RecursivePalindromeUsingSubstring.java, 745–746
Panels
adding, 489
adding for DisplayImage.java example, 505
check boxes and radio buttons for, 641
creating, 311–312, 482
DescriptionPanel class, 645–647
FigurePanel class. see FigurePanel class
JPanel class. see JPanel class
MessagePanel class. see MessagePanel class
as subcontainers, 458–460
tag, applets, 679
Parameters
actual parameters, 179
defining methods and, 178–179
as local variable, 196
order association, 186
passing by values, 186–189
variable-length argument lists, 244–245
Parentheses (( ))
defining and invoking methods and, 203
in Welcome.java, 18
Parsing methods, 395
Pascal, high-level languages, 11
Pass-by-sharing
arrays to methods, 238
objects to methods, 323–324
Pass-by-value
arrays to methods, 238
Increment.java example, 186–187
objects to methods, 322–323
overview of, 186
TestPassByValue.java example, 187–189
Passwords, checking if string is valid password, 362
Pentagonal numbers, 212
Pixels (picture elements)
coordinates measure in, 481
defined, 450
measuring resolution in, 8
PNG (Portable Network Graphics), 465
Point class, 617–618
Polygons
drawing, 490–492
DrawPolygon.java, 492–493
Polylines, drawing, 491
Polymorphism
CastingDemo.java example, 426–429
overview of, 421
PolymorphismDemo.java example, 421–422
Portable Network Graphics (PNG), 465
Postfix decrement operator, 54–55
Postfix increment operator, 54–55
pow method, Math class, 48
Precedence, operator, 115–117
Prefix decrement operator, 54–55
Prefix increment operator, 54–55
Pressed icons, 469
Prime numbers
case study: displaying prime numbers, 162–164
PrimeNumberMethod.java, 190–191
types of, 218
Primitive types (fundamental types)
automatic conversion between primitive types and wrapper
class types, 396–397
casting, 427
classes for, 350
comparing parameters of primitive type with parameters of
reference types, 324
comparing primitive variables with reference variables,
306–308
converting wrapper object to/from (boxing/unboxing), 396
creating arrays of, 326
processing primitive data type values as objects, 393–396
specifying data types, 35
print method, PrintWriter class, 38, 544–545
printf method, PrintWriter class, 544
Printing arrays, 267
println method, PrintWriter class, 38, 544
printStackTrace method, 529
PrintWriter class
case study: replacing text, 548–549