大约有 30,000 项符合查询结果（耗时：0.0492秒） [XML]
Android: Difference between Parcelable and Serializable?
...lizable or Parcelable interface.
Serializable
Serializable is a standard Java interface. You can just implement Serializable interface and add override methods. The problem with this approach is that reflection is used and it is a slow process. This method creates a lot of temporary objects and ca...
Is there any free OCR library for Android? [closed]
I'm looking for a Java OCR that runs on Android, however Asprise doesn't seem to be a platform independent OCR. is there any opensource/free Java OCR I can use for android application development?
...
Java GUI frameworks. What to choose? Swing, SWT, AWT, SwingX, JGoodies, JavaFX, Apache Pivot? [close
There is quite a lot of gui frameworks out there for java, but what is recognized as today's framework of choice?
9 Answers...
What is the proper way to re-attach detached objects in Hibernate?
...
According to the Hibernate javadoc (but not JPA), lock(LockMode.NONE) can in fact be called on a transient object, and it does reattach the entity to the session. See stackoverflow.com/a/3683370/14379
– seanf
Jul...
Default value of 'boolean' and 'Boolean' in Java
...fault values of boolean (primitive) and Boolean (primitive wrapper) in Java?
8 Answers
...
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)
share
|
improve this answer
|
follow
|
...
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
...
What is the difference between Swing and AWT?
...
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:
...
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 ...