¡@
java Programming Glossary: floatWhen comparing two Integers in Java does auto-unboxing occur? http://stackoverflow.com/questions/1514910/when-comparing-two-integers-in-java-does-auto-unboxing-occur integer comparison is performed if this promoted type is float or double then floating point comparison is performed. Note.. is performed if this promoted type is float or double then floating point comparison is performed. Note how none of this is considered..
add thumnails to spring layout like a grid? http://stackoverflow.com/questions/15961412/add-thumnails-to-spring-layout-like-a-grid int width img.getWidth this int height img.getWidth this float scaleWidth 200f width float scaleHeight 200f height if scaleWidth.. int height img.getWidth this float scaleWidth 200f width float scaleHeight 200f height if scaleWidth scaleHeight width 1.. null int width img.getWidth int height img.getHeight float scale 1f AffineTransform at new AffineTransform at.translate..
EventListenerList firing order http://stackoverflow.com/questions/2159803/eventlistenerlist-firing-order JLabel label new JLabel private final String name private float value public SubPanel String name float value ChangeListener.. name private float value public SubPanel String name float value ChangeListener parent this.name name this.value value..
http://stackoverflow.com/questions/2660827/java-generics-covariance considering that example you could end up putting a float which is a Number into a List Integer which is illegal because.. is a Number into a List Integer which is illegal because a float is not an integer. Conclusion Generics are not covariant. Note..
Round a double to 2 decimal places http://stackoverflow.com/questions/2808535/round-a-double-to-2-decimal-places bd.doubleValue And in every case Always remember that floating point representations using float and double are inexact.. Always remember that floating point representations using float and double are inexact . For example consider these expressions..
Fastest way to determine if an integer's square root is an integer http://stackoverflow.com/questions/295579/fastest-way-to-determine-if-an-integers-square-root-is-an-integer to Java. See http www.codemaestro.com reviews 9 int i float x2 y x2 n 0.5F y n i Float.floatToRawIntBits y i 0x5f3759df.. reviews 9 int i float x2 y x2 n 0.5F y n i Float.floatToRawIntBits y i 0x5f3759df i 1 y Float.intBitsToFloat i y y..
Java Integer division: How do you produce a double? http://stackoverflow.com/questions/3144610/java-integer-division-how-do-you-produce-a-double numeric value. ... Conversion of an int or a long value to float or of a long value to double may result in loss of precision.. significant bits of the value. In this case the resulting floating point value will be a correctly rounded version of the integer..
Moving decimal places over in a double http://stackoverflow.com/questions/4937402/moving-decimal-places-over-in-a-double share improve this question If you use double or float you should use rounding or expect to see some rounding errors... In short rounding is unavoidable for sensible answers in floating point whether you are doing this explicitly or not. Note..
http://stackoverflow.com/questions/499437/in-java-when-should-i-create-a-checked-exception-and-when-should-it-be-a-runti I created the following class public class Account private float balance ... constructor getter and other fields and methods.. fields and methods public void transferTo Account other float amount if amount balance throw new NotEnoughBalanceException..
How do I format a number in java? http://stackoverflow.com/questions/50532/how-do-i-format-a-number-in-java r bd.doubleValue System.out.println r r is 5.12 f float Math.round n 100.0f 100.0f DecimalFormat df2 new DecimalFormat..
Playing MP3 using Java Sound API http://stackoverflow.com/questions/5667454/playing-mp3-using-java-sound-api throw IAE for invalid frame size format. @Override public float getLevel return dataLine.getLevel @Override public long getLongFramePosition..
The case against checked exceptions http://stackoverflow.com/questions/613954/the-case-against-checked-exceptions typed language like Ruby you can pass anything say a float as the file name and it will compile. Why hassle the user with..
Android How to draw a smooth line following your finger http://stackoverflow.com/questions/8287949/android-how-to-draw-a-smooth-line-following-your-finger and add the dx dy values to the Point class class Point float x y float dx dy @Override public String toString return x y.. the dx dy values to the Point class class Point float x y float dx dy @Override public String toString return x y This produces..
How can I put axis on a .png file in java? http://stackoverflow.com/questions/9843451/how-can-i-put-axis-on-a-png-file-in-java Color n for int i 0 i n i clut.add Color.getHSBColor float i n 1 1 @Override public Paint getItemFillPaint int row int..
http://stackoverflow.com/questions/2660827/java-generics-covariance covariant the author states Because ln is a List adding a Float to it seems perfectly legal. But if ln were aliased with li.. new ArrayList Integer List Number ln li illegal ln.add new Float 3.1415 In Java Integer inherits from Number java.lang.Number..
Multiple wildcards on a generic methods makes Java compiler (and me!) very confused http://stackoverflow.com/questions/3546745/multiple-wildcards-on-a-generic-methods-makes-java-compiler-and-me-very-confu Again we may have e.g. a List List Integer lol and a List Float list so this shouldn't compile right In fact let's go back to.. new ArrayList Integer lolAnyNum.add new ArrayList Float lolAnyNum.add new ArrayList String DOES NOT COMPILE lolAnyNum.. new ArrayList List Integer lolSomeNum new ArrayList List Float lolSomeNum new ArrayList List String DOES NOT COMPILE Back to..
JTable design to synchronize with back-end data-structure http://stackoverflow.com/questions/3590897/jtable-design-to-synchronize-with-back-end-data-structure model.The data structure is of the format NavigableMap Float NavigableMap Float Boolean .An example data is Table Format.. structure is of the format NavigableMap Float NavigableMap Float Boolean .An example data is Table Format Range f1 v1 f2 v2 f3..
Why not use Double or Float to represent currency? http://stackoverflow.com/questions/3730019/why-not-use-double-or-float-to-represent-currency not use Double or Float to represent currency So I've always been told NEVER to do..
How to calculate the number of rows (and columns in each row) a text takes in a JTextArea? http://stackoverflow.com/questions/5979795/how-to-calculate-the-number-of-rows-and-columns-in-each-row-a-text-takes-in-a width 179 height 48 bounds1 java.awt.geom.Rectangle2D Float x 0.0 y 12.064453 w 170.0 h 15.09375 layout1 java.awt.geom.Rectangle2D.. w 170.0 h 15.09375 layout1 java.awt.geom.Rectangle2D Float x 0.28125 y 8.59375 w 168.25 h 11.125 bounds2 java.awt.geom.Rectangle2D.. w 168.25 h 11.125 bounds2 java.awt.geom.Rectangle2D Float x 0.0 y 12.064453 w 179.0 h 15.09375 layout2 java.awt.geom.Rectangle2D..
List of useful environment settings in Java http://stackoverflow.com/questions/7585699/list-of-useful-environment-settings-in-java audioFormat.getEncoding data 2 0 Frame Rate data 2 1 new Float audioFormat.getFrameRate data 3 0 Sample Rate data 3 1 new.. data 3 0 Sample Rate data 3 1 new Float audioFormat.getSampleRate data 4 0 Sample Size bits data 4.. audioFormat.isBigEndian data 6 0 Level data 6 1 new Float dataLine.getLevel else if line instanceof Port Port port Port..
Calculate distance in meters when you know longitude and latitude in java [duplicate] http://stackoverflow.com/questions/837872/calculate-distance-in-meters-when-you-know-longitude-and-latitude-in-java dist earthRadius c int meterConversion 1609 return new Float dist meterConversion .floatValue share improve this answer..
|