大约有 7,540 项符合查询结果（耗时：0.0591秒） [XML]
How to do the equivalent of pass by reference for primitives in Java
This Java code:
6 Answers
6
...
What is a daemon thread in Java?
Can anybody tell me what daemon threads are in Java ?
26 Answers
26
...
Can I multiply strings in Java to repeat sequences? [duplicate]
...
The easiest way in plain Java with no dependencies is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this do...
What makes JNI calls slow?
I know that 'crossing boundaries' when making a JNI call in Java is slow.
3 Answers
3
...
junit & java : testing non-public methods [duplicate]
...red for protected actually, if your class under test is in src/box/of/Cats.java, in your test project put the test class to src/box/of/CatsTest.java and link the projects. That way your test classes seem to be in same package and thus can access each other's protected methods.
–...
Good Hash Function for Strings
... computinglife.wordpress.com/2008/11/20/… explaining why 31 was used for Java string hashing. There is no mathematical proof given, but it does explain the general concept as to why primes work better.
– Pharap
Sep 24 '13 at 0:39
...
Why not use java.util.logging?
... the first time in my life I find myself in a position where I'm writing a Java API that will be open sourced. Hopefully to be included in many other projects.
...
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 get whole and fractional parts from double in JSP/Java?
How do I get whole and fractional parts from double in JSP/Java ? If the value is 3.25 then I want to get fractional =.25 , whole = 3
...
How to format Joda-Time DateTime to only mm/dd/yyyy?
...
Note that in JAVA SE 8 a new java.time (JSR-310) package was introduced. This replaces Joda time, Joda users are advised to migrate. For the JAVA SE ≥ 8 way of formatting date and time, see below.
Joda time
Create a DateTimeFormatter us...