大约有 20,000 项符合查询结果（耗时：0.0252秒） [XML]
Command prompt won't change directory to another drive
I'm trying to compile some java (learning java currently), and to do so I need to change command-prompt's directory (using javac).
...
Run a Java Application as a Service on Linux
I have written a Java server application that runs on a standard virtual hosted Linux solution. The application runs all the time listening for socket connections and creating new handlers for them. It is a server side implementation to a client-server application.
...
How to tell if JRE or JDK is installed
...computer with JRE, for, among other things, testing. However, when I got a java application working on this computer, and then tried it on another, it complained that JDK was required. How can I check if JDK was somehow installed on my system? Note: the computer in question is a Mac.
...
Why does this Java code compile?
... reasons for the errors are also different.
Fields
Field initializers in Java are governed by JLS §8.3.2, Initialization of Fields.
The scope of a field is defined in JLS §6.3, Scope of a Declaration.
Relevant rules are:
The scope of a declaration of a member m declared in or inherited by a ...
Differences in auto-unboxing between Java 6 vs Java 7
I have noted a difference in auto unboxing behavior between Java SE 6 and Java SE 7. I'm wondering why that is, because I can't find any documentation of changes in this behavior between these two versions.
...
Can Java 8 code be compiled to run on Java 7 JVM?
Java 8 introduces important new language features such as lambda expressions.
5 Answers
...
Get java.nio.file.Path object from java.io.File
Is it possible to get a Path object from a java.io.File ?
4 Answers
4
...
Proper usage of Java -D command-line parameters
When passing a -D parameter in Java, what is the proper way of writing the command-line and then accessing it from code?
3...
Implementation difference between Aggregation and Composition in Java
...tion and Composition. Can someone tell me the implementation difference in Java between them with examples?
9 Answers
...
How to determine day of week by passing specific date?
...
Yes. Depending on your exact case:
You can use java.util.Calendar:
Calendar c = Calendar.getInstance();
c.setTime(yourDate);
int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);
if you need the output to be Tue rather than 3 (Days of week are indexed starting at 1 for Sunday, s...