java-7
keytool JDK 7 backword compatiblity with jdk 6
I was require开发者_开发问答 SubjectKeyIdentifier in my public generated from keytool. I have used JDK 7 for the same. Now my application is running on JDK 6 .Just want to confirm that is it backward[详细]
2023-04-13 07:45 分类：问答java @SafeVarargs why do private methods need to be final
开发者_JAVA技巧I have a private method in an inner class which is private I would like to use the SafeVarargs annotation. However, I am required to either have a static or final method. Why does a pri[详细]
2023-04-12 12:13 分类：问答Using FileChannel to fsync a directory with NIO.2
I just discovered that with NIO.2, at least under Linux, I can open a FileChannel on a directory, and call开发者_开发百科ing force(true) calls fsync() on the underlying file descriptor. Without gettin[详细]
2023-04-12 02:40 分类：问答Type-parameterized field of a generic class becomes invisible after upgrading to Java 7
Now Eclipse Indigo SR1 with builtin Java 7 support is finally out since a week or two, I\'m migrating my playground projects from Helios SR2 + JDK 1.6_23 to Indigo SR1 + JDK 1.7.0. After a full rebuil[详细]
2023-04-11 21:25 分类：问答Is there really `ResultSet.getObject(String, Class<T>) in JDK7?
I see quite a few changed interfaces in JDK7, e.g., the addition of ResultSet.getObject(String, Class<T>). I was greatly surprised by this incompatible change, especially because I\'ve never see[详细]
2023-04-11 07:22 分类：问答The recently released JDK 7 includes the InvokeDynamic feature. Is it speeding up (and actually used by) Groovy, Scala, Clojure, JRuby, Jython, etc? [closed]
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]
2023-04-10 10:31 分类：问答java 7 socket listen exception
I have java 7 socket listen exception during jboss initialization. JAVA: c:\\Program Files\\Java\\jdk1.7.0\\\\bin\\java[详细]
2023-04-10 00:35 分类：问答Why doesn't the diamond operator work within a addAll() call in Java 7?
Given this example from the generics tutorial. List<String> list = new ArrayList<>(); list.add(\"A\");[详细]
2023-04-08 08:39 分类：问答How can I use Java 7 with Eclipse Indigo 3.7.1
From what I understand Eclipse Indigo 3.7.1 should now have support for Java 7. I downloaded Eclipse 3.7.1. and JDK 1.7.0 and added JRE7 in the settings in Eclipse. Then I created a new project using[详细]
2023-04-08 01:31 分类：问答String in switch java
switch(title) { case \"Return\": returnBooks(); break; } strin开发者_开发技巧gs in switch are not supported in -source 1.6, use -source 7 or higher to enable strings in switch[详细]
2023-04-07 15:08 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......