大约有 20,000 项符合查询结果（耗时：0.0291秒） [XML]
Java: possible to line break in a properties file?
Is it possible to continue a long string on the next line in a Java properties file?
3 Answers
...
Java regex capturing groups indexes
...r capturing groups in different branches of alternation.
Group name
From Java 7, you can define a named capturing group (?<name>pattern), and you can access the content matched with Matcher.group(String name). The regex is longer, but the code is more meaningful, since it indicates what you ...
Why does the JVM still not support tail-call optimization?
...
Diagnosing Java Code: Improving the Performance of Your Java Code (alt) explains why the JVM does not support tail-call optimization.
But although it is well known how to automatically transform a tail-recursive function into a sim...
Pretty-print a Map in Java
...
Using Java 8 Streams:
Map<Object, Object> map = new HashMap<>();
String content = map.entrySet()
.stream()
.map(e -> e.getKey() + "=\"" + e.getValue() + "\"")
...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
...he certificate for App2 to the truststore file of the used JVM located at %JAVA_HOME%\lib\security\cacerts.
First you can check if your certificate is already in the truststore by running the following command:
keytool -list -keystore "%JAVA_HOME%/jre/lib/security/cacerts" (you don't need to provid...
How to format strings in Java
...
In addition to String.format, also take a look java.text.MessageFormat. The format less terse and a bit closer to the C# example you've provided and you can use it for parsing as well.
For example:
int someNumber = 42;
String someString = "foobar";
Object[] args = ...
How do I convert a Java 8 IntStream to a List?
... methods. This is done by adding the Collectors class in Preferences -> Java -> Editor -> Content Assist -> Favorites. After this, you only have to type toLi at hit Ctr+Space to have the IDE fill in toList and add the static import.
– Lii
Jun 29 '16...
How to directly initialize a HashMap (in a literal way)?
Is there some way of initializing a Java HashMap like this?:
14 Answers
14
...
How do I enable TODO/FIXME/XXX task tags in Eclipse?
...You can configure which task tags should be used in the workspace options: Java > Compiler > Task tags
Check if they are enabled in this location, and that should be enough to have them appear in the Task list (or the Markers view).
Extra note: reinstalling Eclipse won't change anything mo...
Use of the MANIFEST.MF file in Java
...content of the Manifest file in a JAR file created with version 1.0 of the Java Development Kit is the following.
Manifest-Version: 1.0
All the entries are as name-value pairs. The name of a header is separated from its value by a colon. The default manifest shows that it conforms to version 1.0 ...