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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...pproaching 4G on many Solaris systems.
(http://www.oracle.com/technetwork/java/hotspotfaq-138619.html#gc_heap_32bit)
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Converting stream of int's to char's in java
...this is not what the OP is asking about. He is using Reader's read method: java.sun.com/j2se/1.4.2/docs/api/java/io/Reader.html#read() The question he is asking is how to convert value returned by this method into char.
– Vanuan
May 7 '09 at 21:43
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What is the difference between Swing and AWT?
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AWT is a Java interface to native system GUI code present in your OS. It will not work the same on every system, although it tries.
Swing is a more-or-less pure-Java GUI. It uses AWT to create an operating system window and then pain...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
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Java system properties and environment variables
... to access. System environment variables are accessible by any process and Java system properties are only accessible by the process they are added to.
Also as Bohemian stated, env variables are set in the OS (however they 'can' be set through Java) and system properties are passed as command line ...
How to create a new language for use in Visual Studio
I want to write a new templating language, and I want Visual Studio to "support" it. What I need to know is:
7 Answers
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How to calculate date difference in JavaScript?
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<html lang="en">
<head>
<script>
function getDateDiff(time1, time2) {
var str1= time1.split('/');
var str2= time2.split('/');
// yyyy , mm , dd
var t1 = new Date(str1[2], str1[0]-1, st...
Retain precision with double in Java
...ation into why this is happening:
The float and double primitive types in Java are floating point numbers, where the number is stored as a binary representation of a fraction and a exponent.
More specifically, a double-precision floating point value such as the double type is a 64-bit value, where...
Why can I throw null in Java? [duplicate]
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@fvrghl: Like much of Java's exception handling, there is no valid reason to throw null, but it might come up in a buggy program. Having well defined semantics for buggy constructs can simplify the debugging of and minimise the security consequenc...
How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
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