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java Programming Glossary: numbersUnsupported major.minor version 51.0 http://stackoverflow.com/questions/10382929/unsupported-major-minor-version-51-0 JRE the class file is compatible with. The reported major numbers are J2SE 8 52 J2SE 7 51 J2SE 6.0 50 J2SE 5.0 49 JDK 1.4 48 JDK..
How to round a number to n decimal places in Java http://stackoverflow.com/questions/153724/how-to-round-a-number-to-n-decimal-places-in-java returns 0.91239 which is great however it always displays numbers with 5 decimal places even if they are not significant String.format..
Floating point arithmetic not producing exact results in Java http://stackoverflow.com/questions/1661273/floating-point-arithmetic-not-producing-exact-results-in-java instead of 2.18. What use are floating point numbers is you can't trust the results of arithmetic performed on them..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android chances of you actually correctly interpreting whatever numbers you get is extremely low. Pretty much every time I look at memory.. low. Pretty much every time I look at memory usage numbers with other engineers there is always a long discussion about.. the system. There is a lot of data here only the first few numbers worth discussing and the remaining ones understood by few people..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java new HashCodeBuilder 17 31 . two randomly chosen prime numbers if deriving appendSuper super.hashCode . append name . append..
Round a double to 2 decimal places http://stackoverflow.com/questions/2808535/round-a-double-to-2-decimal-places formatting instead of or in addition to strictly rounding numbers see the other answers. Specifically note that round 200 0 returns..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java random numbers in a range with Java I am trying to generate a random number.. and 10 is the biggest. Any other number in between these numbers is possible to be a value too. In Java there is a method random.. find a method which returns a random value between two numbers. I have tried the following things but I still have problems..
Why not use Double or Float to represent currency? http://stackoverflow.com/questions/3730019/why-not-use-double-or-float-to-represent-currency doubles cannot accurately represent most base 10 rational numbers. This is how an IEEE 754 floating point number works it dedicates.. and the rest for the actual fraction. This leads to numbers being represented in a form similar to 1.45 10^4 except that.. instead of the base being 10 it's two. All real decimal numbers can be seen in fact as exact fractions of a power of ten. For..
JFormattedTextField is not properly cleared http://stackoverflow.com/questions/4148336/jformattedtextfield-is-not-properly-cleared in the text box. My sudokumatrix that contains all the numbers that has been inputed do clear the value like it should so it..
If profiler is not the answer, what other choices do we have? http://stackoverflow.com/questions/4387895/if-profiler-is-not-the-answer-what-other-choices-do-we-have a beta distribution. If you generate 4 uniform 0 1 random numbers and sort them the distribution of the 3rd one is the distribution..
Using == operator in Java to compare wrapper objects http://stackoverflow.com/questions/10149959/using-operator-in-java-to-compare-wrapper-objects of Integer n with n in the interned range are the same. Numbers above 128 are not interned hence Integer 1000 objects are not..
Counting Line Numbers in Eclipse http://stackoverflow.com/questions/1043666/counting-line-numbers-in-eclipse Line Numbers in Eclipse I have a Java project in Eclipse with ~10 packages..
Why aren't Java Collections remove methods generic? http://stackoverflow.com/questions/104799/why-arent-java-collections-remove-methods-generic
why polymorphism doesn't treat generic collections and plain arrays the same way? http://stackoverflow.com/questions/10770585/why-polymorphism-doesnt-treat-generic-collections-and-plain-arrays-the-same-way a List of Objects and through contravariance you can put Numbers into it basically because all numbers have Object as their common.. numbers have Object as their common ancestor. As such all Numbers are objects and therefore this is valid. However you cannot..
Is there any way to accept only numeric values in a JTextField? http://stackoverflow.com/questions/1313390/is-there-any-way-to-accept-only-numeric-values-in-a-jtextfield input Date input Editor on a JSpinner Map scales Numbers ... It also allows for visual feedback when the input is invalid..
Why does 128==128 return false but 127==127 return true in this code? http://stackoverflow.com/questions/1700081/why-does-128-128-return-false-but-127-127-return-true-in-this-code Integer b3 127 System.out.println b2 b3 Output true Note Numbers between 128 and 127 are true. java share improve this question..
Using Graphics2D to overlay text on a BufferedImage and return a BufferedImage http://stackoverflow.com/questions/2658554/using-graphics2d-to-overlay-text-on-a-bufferedimage-and-return-a-bufferedimage uses x and y for the leftmost character's baseline . Numbers typically have no descenders if the same is true of text a string..
Comparing the values of two generic Numbers http://stackoverflow.com/questions/2683202/comparing-the-values-of-two-generic-numbers the values of two generic Numbers I want to compare to variables both of type T extends Number..
http://stackoverflow.com/questions/2788080/reading-a-text-file-in-java a String in parts. String parts line.split s Tutorial Numbers and Strings Strings Manipulating Characters in a String You..
Strange floating-point behaviour in a Java program http://stackoverflow.com/questions/327544/strange-floating-point-behaviour-in-a-java-program are those which are sums of negative powers of two. Numbers like 0.5 2^ 1 0.125 2^ 3 0.625 2^ 1 2^ 3 Etc. What you are seeing..
Java, pass-by-value, reference variables http://stackoverflow.com/questions/498747/java-pass-by-value-reference-variables value action of Java in the following example public class Numbers static int s_ccc 7 static int t_ccc 7 public static void calculate..
http://stackoverflow.com/questions/5289393/casting-variables-in-java Integer as a Number then that's ok since all Integers are Numbers. However if you want to go the other way round you need a cast.. you want to go the other way round you need a cast not all Numbers are Integers as well as Integer we have Double Float Byte Long..
Convert String to another locale in java http://stackoverflow.com/questions/5316131/convert-string-to-another-locale-in-java locale in java Hi I need to convert Arabic Persian Numbers to it's English equal for example convert Û² to 2 How can I do..
Very Large Numbers in Java Without using java.math.BigInteger http://stackoverflow.com/questions/5318068/very-large-numbers-in-java-without-using-java-math-biginteger Large Numbers in Java Without using java.math.BigInteger How would I go about..
Java random always returns the same number when I set the seed? http://stackoverflow.com/questions/5533191/java-random-always-returns-the-same-number-when-i-set-the-seed the Random instance across the whole class public class Numbers Random randnum public Numbers randnum new Random randnum.setSeed.. the whole class public class Numbers Random randnum public Numbers randnum new Random randnum.setSeed 123456789 public int random..
Generating Unique Random Numbers in Java http://stackoverflow.com/questions/8115722/generating-unique-random-numbers-in-java Unique Random Numbers in Java I'm trying to get random numbers between 0 and 100...
http://stackoverflow.com/questions/849813/large-numbers-in-java Numbers in Java How would i go about doing calculations with extremely..
Java Generics and adding numbers together http://stackoverflow.com/questions/8669838/java-generics-and-adding-numbers-together numbers in java. I'm running into difficulty because the Numbers class doesn't really support what I want to do. What I've tried..
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