大约有 7,700 项符合查询结果（耗时：0.0204秒） [XML]
Using Regex to generate Strings rather than match them
I am writing a Java utility which helps me to generate loads of data for performance testing. It would be really cool to be able to specify a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is th...
What is difference between Collection.stream().forEach() and Collection.forEach()?
...on specified in Stream.forEach is required to be non-interfering. (See the java.util.stream package doc.) Iterable.forEach potentially has fewer restrictions. For the collections in java.util, Iterable.forEach will generally use that collection's Iterator, most of which are designed to be fail-fast ...
calling non-static method in static method in Java [duplicate]
...probably dedicated to utility-like methods that could be static.
However, Java doesn't allow the implementation of an interface-defined method to be static. So when you (naturally) try to make the method static, you get the "cannot-hide-the-instance-method" error. (The Java Language Specification m...
Why does String.valueOf(null) throw a NullPointerException?
...Of method is overloaded:
String.valueOf(Object)
String.valueOf(char[])
Java Specification Language mandates that in these kind of cases, the most specific overload is chosen:
JLS 15.12.2.5 Choosing the Most Specific Method
If more than one member method is both accessible and applicable to...
Java - Convert integer to string [duplicate]
...st. (See String source in JDK at grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/… .)
– ingyhere
Nov 16 '13 at 13:36
...
How can I ask the Selenium-WebDriver to wait for few seconds in Java?
I'm working on a Java Selenium-WebDriver. I added
15 Answers
15
...
IllegalMonitorStateException on wait() call
I am using multi-threading in java for my program.
I have run thread successfully but when I am using Thread.wait() , it is throwing java.lang.IllegalMonitorStateException .
How can I make a thread wait until it will be notified?
...
Java URL encoding of query string parameters
... + URLEncoder.encode(q, StandardCharsets.UTF_8);
When you're still not on Java 10 or newer, then use StandardCharsets.UTF_8.toString() as charset argument, or when you're still not on Java 7 or newer, then use "UTF-8".
Note that spaces in query parameters are represented by +, not %20, which is le...
How to convert ASCII code (0-255) to its corresponding character?
How can I convert, in Java, the ASCII code (which is an integer from [0, 255] range) to its corresponding ASCII character?
...
How to match “any character” in regular expression?
...
You may also sometimes need to match newlines in Java regexes in contexts where you cannot pass Pattern.DOTALL, such as when doing a multi-line regex search in Eclipse, or as a user of any Java application that offers regex search. Based on regular-expression.info's guide, ...