大约有 7,560 项符合查询结果（耗时：0.0101秒） [XML]
Setting Short Value Java
...
In Java, integer literals are of type int by default. For some other types, you may suffix the literal with a case-insensitive letter like L, D, F to specify a long, double, or float, respectively. Note it is common practice to ...
What is this date format? 2011-08-12T20:17:46.384Z
...1-08-12T20:17:46.384Z . What format is this? I'm trying to parse it with Java 1.4 via DateFormat.getDateInstance().parse(dateStr) and I'm getting
...
What is the equivalent of the C# 'var' keyword in Java?
...e use of the var keyword in C# is implicit type declaration. What is the Java equivalent syntax for var ?
15 Answers
...
How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
I have an app that uses 256-bit AES encryption which is not supported by Java out of the box. I know to get this to function correctly I install the JCE unlimited strength jars in the security folder. This is fine for me being the developer, I can install them.
...
javac not working in windows command prompt
I'm trying to use javac with the windows command prompt, but it's not working.
17 Answers
...
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
...
"unknown" – Unknown JVM
As described in the HotSpot FAQ:
When writing Java code, how do I distinguish between 32 and 64-bit operation?
There's no public API that allows you to distinguish between 32 and 64-bit operation. Think of 64-bit as just another platform in the write once, run anywhere t...
A Java API to generate Java source files [closed]
I'm looking for a framework to generate Java source files.
15 Answers
15
...
Is there a way to take a screenshot using Java and save it to some sort of image?
Simple as the title states: Can you use only Java commands to take a screenshot and save it? Or, do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
...
C# Java HashMap equivalent
Coming from a Java world into a C# one is there a HashMap equivalent? If not what would you recommend?
7 Answers
...
Get query from java.sql.PreparedStatement [duplicate]
In my code I am using java.sql.PreparedStatement .
8 Answers
8
...