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java Programming Glossary: arr.lengthAndroid: How to Know an IP Address is a Wifi IP Address? http://stackoverflow.com/questions/10683495/android-how-to-know-an-ip-address-is-a-wifi-ip-address final int byteArrayToInt byte arr int offset if arr null arr.length offset 4 return 1 int r0 arr offset 0xFF 24 int r1 arr offset..
http://stackoverflow.com/questions/1248510/convert-string-to-keyevents Robot bot String st char arr arr.toCharArray int i arr.length int j 0 int keycode while j i keycode arr j .something bot.keyPress..
Quickest way to find missing number in an array of numbers http://stackoverflow.com/questions/2113795/quickest-way-to-find-missing-number-in-an-array-of-numbers numbers in the array. int sum 0 int idx 1 for int i 0 i arr.length i if arr i 0 idx i else sum arr i the total sum of numbers.. i else sum arr i the total sum of numbers between 1 and arr.length. int total arr.length 1 arr.length 2 System.out.println missing.. total sum of numbers between 1 and arr.length. int total arr.length 1 arr.length 2 System.out.println missing number is total sum..
Java's Collections.shuffle is doing what? http://stackoverflow.com/questions/2249520/javas-collections-shuffle-is-doing-what into list ListIterator it list.listIterator for int i 0 i arr.length i it.next it.set arr i The swap method private static void..
how we check for null array in java http://stackoverflow.com/questions/2369967/how-we-check-for-null-array-in-java to define empty as having 0 elements arr new int 0 if arr.length 0 System.out.println array is empty An alternative definition.. Object arr new Object 10 boolean empty true for int i 0 i arr.length i if arr i null empty false break or Object arr new Object 10..
Permutation algorithm without recursion? Java http://stackoverflow.com/questions/2799078/permutation-algorithm-without-recursion-java private int permSwappings public PermUtil T arr this arr arr.length public PermUtil T arr int permSize this.arr arr.clone this.permSwappings.. int i permSwappings.length 1 while i 0 permSwappings i arr.length 1 swap i permSwappings i Undo the swap represented by permSwappings..
Java code To convert byte to Hexadecimal http://stackoverflow.com/questions/2817752/java-code-to-convert-byte-to-hexadecimal is what is requested String arr 1 0 10 20 for int i 0 i arr.length i arr i String.format 02x Byte.parseByte arr i System.out.println..
Is it possible to dynamically build a multi-dimensional array in Java? http://stackoverflow.com/questions/3104504/is-it-possible-to-dynamically-build-a-multi-dimensional-array-in-java static int tail int arr return Arrays.copyOfRange arr 1 arr.length public static void setValue Object array String value int.....
http://stackoverflow.com/questions/3981420/collections-shuffle void main String args int arr new int 10 for int i 0 i arr.length i arr i i Collections.shuffle Arrays.asList arr for int i 0.. i i Collections.shuffle Arrays.asList arr for int i 0 i arr.length i System.out.print arr i The result is 0 1 2 3 4 5 6 7 8 9.. everything works Integer arr new Integer 10 for int i 0 i arr.length i arr i i Collections.shuffle Arrays.asList arr for int i 0..
Google Guava isNullOrEmpty for collections http://stackoverflow.com/questions/6910002/google-guava-isnullorempty-for-collections arr which should be equivalent to arr null arr.length 0 java guava share improve this question I don't believe..
swing timer doesn't work properly [closed] http://stackoverflow.com/questions/7933424/swing-timer-doesnt-work-properly 1 i public boolean includes int rnd counter 0 for j 0 j arr.length j if arr j rnd counter if counter 1 return true return..
How do I launch a completely independent process from a Java program? http://stackoverflow.com/questions/931536/how-do-i-launch-a-completely-independent-process-from-a-java-program cmd ' ' 1 true true true for int xa 0 xa arr.length xa if TextUtil.isQuoted arr xa true arr xa TextDecode.ecma262..
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