大约有 9,000 项符合查询结果（耗时：0.0199秒） [XML]
Remote JMX connection
I'm trying to open a JMX connection to java application running on a remote machine.
12 Answers
...
Java Try Catch Finally blocks without Catch
...
The Java Language Specification(1) describes how try-catch-finally is executed.
Having no catch is equivalent to not having a catch able to catch the given Throwable.
If execution of the try block completes abruptly bec...
Format LocalDateTime with Timezone in Java8
...
The prefix "Local" in JSR-310 (aka java.time-package in Java-8) does not indicate that there is a timezone information in internal state of that class (here: LocalDateTime). Despite the often misleading name such classes like LocalDateTime or LocalTime have NO...
How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
...
Java 32-bit vs 64-bit compatibility
Will Java code built and compiled against a 32-bit JDK into 32-bit byte code work in a 64-bit JVM? Or does a 64-bit JVM require 64-bit byte code?
...
:: (double colon) operator in Java 8
I was exploring the Java 8 source and found this particular part of code very surprising:
17 Answers
...
What is the best way to filter a Java Collection?
I want to filter a java.util.Collection based on a predicate.
27 Answers
27
...
Java using enum with switch statement
...part you're missing is converting from the integer to the type-safe enum. Java will not do it automatically. There's a couple of ways you can go about this:
Use a list of static final ints rather than a type-safe enum and switch on the int value you receive (this is the pre-Java 5 approach)
Swit...
How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
... Funny, I got same exception on String str = iter.next(); ! Java with collections sucks !
– Al-Mothafar
Jan 17 '15 at 14:23
1
...
Does java have a int.tryparse that doesn't throw an exception for bad data? [duplicate]
... success of which is indicated by the boolean return value of the method. Java does not have an equivalent to the out parameter, thus the need for the if logic shown in this answer. msdn.microsoft.com/en-us/library/f02979c7(v=vs.110).aspx
– Peter Howe
Nov 24 ...