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java Programming Glossary: intsHow do I find out what type each object is in a ArrayList<Object>? http://stackoverflow.com/questions/106336/how-do-i-find-out-what-type-each-object-is-in-a-arraylistobject imported from a db made up of strings numbers doubles and ints. Is there a way to use a reflection type technique to find out..
How to convert int[] into List<Integer> in Java? http://stackoverflow.com/questions/1073919/how-to-convert-int-into-listinteger-in-java not what you want. You have to make a utility method. int ints 1 2 3 List Integer intList new ArrayList Integer for int index.. intList new ArrayList Integer for int index 0 index ints.length index intList.add ints index share improve this answer..
Arrays.asList() not working as it should? http://stackoverflow.com/questions/1467913/arrays-aslist-not-working-as-it-should list Arrays.asList 1 2 3 4 5 But this does not. int ints new int 1 2 3 4 5 List Integer list Arrays.asList ints The asList.. int ints new int 1 2 3 4 5 List Integer list Arrays.asList ints The asList method accepts a varargs parameter which to the extends.. share improve this question How about this Integer ints new Integer 1 2 3 4 5 List Integer list Arrays.asList ints ..
What is a sensible prime for hashcode calculation? http://stackoverflow.com/questions/1835976/what-is-a-sensible-prime-for-hashcode-calculation is repeated for each additional attribute. For ints .hashCode can be omitted. This seems fine but for the choice..
When should we use intern method of String on String constants http://stackoverflow.com/questions/1855170/when-should-we-use-intern-method-of-string-on-string-constants to work for Strings in the same way that it does for ints or other primitive values. Since interning is automatic for..
Size of a byte in memory - Java http://stackoverflow.com/questions/229886/size-of-a-byte-in-memory-java with 80 members LotsOfBytes has 80 bytes LotsOfInts has 80 ints. We build lots of them make sure they're not GC'd and check..
How do I keep a scanner from throwing exceptions when the wrong type is entered? (java) http://stackoverflow.com/questions/2496239/how-do-i-keep-a-scanner-from-throwing-exceptions-when-the-wrong-type-is-entered can make it so that it either ignores entries that aren't ints or re prompts with how many are invading i'd like to know how..
bug with varargs and overloading? http://stackoverflow.com/questions/2521293/bug-with-varargs-and-overloading public static void doit int... is System.out.println ints the docs say Generally speaking you should not overload a varargs..
Validating input using java.util.Scanner http://stackoverflow.com/questions/3059333/validating-input-using-java-util-scanner focus remains on Scanner . Example 1 Validating positive ints Here's a simple example of using hasNextInt to validate positive..
Integers caching in Java [duplicate] http://stackoverflow.com/questions/3131136/integers-caching-in-java that these small values occur much more often than other ints and therefore it makes sense to avoid the overhead of having..
Why doesn't Java support unsigned ints? http://stackoverflow.com/questions/430346/why-doesnt-java-support-unsigned-ints doesn't Java support unsigned ints Why doesn't Java include support for unsigned integers It seems..
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 so we can use Character.digit to convert single digits to ints to our system with radix BASE 1.000.000.000 but this is not..
The art of programming: Java vs C# [closed] http://stackoverflow.com/questions/610199/the-art-of-programming-java-vs-c-sharp types benchmarks of this sorting a list of a million ints vs a million Integer objects have revealed a factor of 3 improvement.. . And Java has WAY way better enums. C# enums are just ints with a stripe painted down the side. Java treating enums as..
How does Java convert int into byte? http://stackoverflow.com/questions/842817/how-does-java-convert-int-into-byte bits. A byte is 8. Everything in Java is signed and bytes ints longs are encoded in two's complement. In this number scheme..
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