大约有 30,000 项符合查询结果（耗时：0.0299秒） [XML]
How to return multiple objects from a Java method?
I want to return two objects from a Java method and was wondering what could be a good way of doing so?
25 Answers
...
Relationship between hashCode and equals method in Java [duplicate]
I read in many places saying while override equals method in Java, should override hashCode method too, otherwise it is "violating the contract".
...
Describe the architecture you use for Java web applications? [closed]
Let's share Java based web application architectures!
10 Answers
10
...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
In JDK 8 with lambda b93 there was a class java.util.stream.Streams.zip in b93 which could be used to zip streams (this is illustrated in the tutorial Exploring Java8 Lambdas. Part 1 by Dhananjay Nene ). This function :
...
Intellij code formatting, Java annotations on new lines
...
Navigate to Preferences → Editor → Code Style → Java → Wrapping and Braces tab, then locate the section Field annotations and check the option Do not wrap after single annotation.
In IntelliJ v14:
...
JAVA“无法启动该应用程序”的解决办法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
JAVA“无法启动该应用程序”的解决办法调用虚拟控制台时出现了如下的错误，无法启动该应用程序，如下：是因为JAVA的安全设置问题，进入C:Program Files (x86)Javajre7in，打开j...调用虚拟控制台时出现了如下的错误，“无法启动该...
Is Random class thread safe?
...
A guarantee has been added in the Java 7 docs: "Instances of java.util.Random are threadsafe." docs.oracle.com/javase/7/docs/api/java/util/Random.html
– Matt R
Jul 12 '13 at 14:38
...
Unicode, UTF, ASCII, ANSI format differences
...r Unicode encoding that particular system uses by default. On Windows and Java, this often means UTF-16; in many other places, it means UTF-8. Properly, Unicode refers to the abstract character set itself, not to any particular encoding.
UTF-16: 2 bytes per "code unit". This is the native format o...
Encrypt Password in Configuration Files? [closed]
...
A simple way of doing this is to use Password Based Encryption in Java. This allows you to encrypt and decrypt a text by using a password.
This basically means initializing a javax.crypto.Cipher with algorithm "AES/CBC/PKCS5Padding" and getting a key from javax.crypto.SecretKeyFactory with...
Array initialization syntax when not in a declaration
...
Why is this blocked by Java?
You'd have to ask the Java designers. There might be some subtle grammatical reason for the restriction. Note that some of the array creation / initialization constructs were not in Java 1.0, and (IIRC) were added in ...