大约有 8,000 项符合查询结果（耗时：0.0299秒） [XML]
Can an int be null in Java?
Can an int be null in Java?
15 Answers
15
...
Easy way to write contents of a Java InputStream to an OutputStream
...mple way to write the contents of an InputStream to an OutputStream in Java. Obviously, the byte buffer code isn't difficult to write, but I suspect I'm just missing something which would make my life easier (and the code clearer).
...
How to get just the parent directory name of a specific file
How to get ddd from the path name where the test.java resides.
10 Answers
10
...
C++ valarray vs. vector
...
During the standardization of C++98, valarray was designed to allow some sort of fast mathematical computations. However, around that time Todd Veldhuizen invented expression templates and created blitz++, and similar template-meta techniques were invented, ...
Alter MySQL table to add comments on columns
...
Mark AmeryMark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
...
What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
In Java you can suspend the current thread's execution for an amount of time using Thread.sleep() . Is there something like this in Objective-C?
...
Good reasons to prohibit inheritance in Java?
What are good reasons to prohibit inheritance in Java, for example by using final classes or classes using a single, private parameterless constructor? What are good reasons of making a method final?
...
Why is i++ not atomic?
Why is i++ not atomic in Java?
9 Answers
9
...
What does PermGen actually stand for?
.... Details are of course implementation specific.
Briefly, it contains the Java objects associated with classes and interned strings. In Sun's client implementation with sharing on, classes.jsa is memory mapped to form the initial data, with about half read-only and half copy-on-write.
Java objects...
Run java jar file on a server as background process
I need to run a java jar in server in order to communicate between two applications. I have written two shell scripts to run it, but once I start up that script I can't shut down / terminate the process. If I press ctrl + C or close the console, the server will shut down. Could anyone help me how ...