大约有 9,000 项符合查询结果(耗时:0.0225秒) [XML]

https://stackoverflow.com/ques... 

Java compile speed vs Scala compile speed

...time it takes to compile programs. It's seems like a small thing but with Java I could make small changes to my program, click the run button in netbeans, and BOOM, it's running, and over time compiling in scala seems to consume a lot of time. I hear that with many large projects a scripting langu...
https://stackoverflow.com/ques... 

How to append text to an existing file in Java?

I need to append text repeatedly to an existing file in Java. How do I do that? 31 Answers ...
https://stackoverflow.com/ques... 

Developing for Android in Eclipse: R.java not regenerating

I've found out that my R.java is never updated, so it doesn't contain information about my new resources, so I decided to delete it and thought that Eclipse would generate a new one. But that didn't happen, and I don't have R.java now. How can I regenerate one? ...
https://stackoverflow.com/ques... 

startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult

FirstActivity.Java has a FragmentA.Java which calls startActivityForResult() . SecondActivity.Java call finish() but onActivityResult never get called which is written in FragmentA.Java . ...
https://stackoverflow.com/ques... 

Hash String via SHA-256 in Java

... other freely available utility) to generate a SHA-256 Hash of a String in Java. Looking at their documentation I can't seem to find any good examples of what I want to do. Can anybody here help me out? ...
https://stackoverflow.com/ques... 

How to set the java.library.path from Eclipse

How can I set the java.library.path for a whole Eclipse Project? I'm using a Java library that relies on OS specific files and need to find a .dll/ .so/ .jnilib . But the Application always exits with an error message that those files are not found on the library path. ...
https://stackoverflow.com/ques... 

How to convert jsonString to JSONObject in Java

...fore choosing. See this benchmark I did using JMH: github.com/fabienrenaud/java-json-benchmark It clearly shows jackson faster than anything else and 5 to 6 times faster than org.json. – fabien Jun 27 '16 at 20:47 ...
https://stackoverflow.com/ques... 

Can overridden methods differ in return type?

... Java supports* covariant return types for overridden methods. This means an overridden method may have a more specific return type. That is, as long as the new return type is assignable to the return type of the method you ar...
https://stackoverflow.com/ques... 

Build Eclipse Java Project from Command Line

Is there a way to compile an Eclipse-based Java project from the command line? 8 Answers ...
https://stackoverflow.com/ques... 

Get integer value of the current year in Java

I need to determine the current year in Java as an integer. I could just use java.util.Date() , but it is deprecated. 15 A...