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JAVA敏捷开发环境搭建 - 更多技术 - 清泛网 - 专注C/C++及内核技术
JAVA敏捷开发环境搭建java_agile_develop_tools前面介绍了创业型软件公司的工作模式，这里详细介绍下如何实施，第一步是先要搭建环境，有了环境才能开展工作。整个软件项目分为四个环境 ...前面介绍了创业型软件公司的工作模式...
Use of class definitions inside a method in Java
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Any idea in which version of Java local classes where introduced?
– Sled
Nov 6 '14 at 17:32
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How can I concatenate two arrays in Java?
I need to concatenate two String arrays in Java.
61 Answers
61
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How can I generate a list or array of sequential integers in Java?
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With Java 8 it is so simple so it doesn't even need separate method anymore:
List<Integer> range = IntStream.rangeClosed(start, end)
.boxed().collect(Collectors.toList());
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Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
...ne can provide some insight as to what's fundamentally different about the Java Virtual Machine that allows it to implement threads nicely without the need for a Global Interpreter Lock (GIL), while Python necessitates such an evil.
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What is the difference between & and && in Java?
I always thought that && operator in Java is used for verifying whether both its boolean operands are true , and the & operator is used to do Bit-wise operations on two integer types.
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Java: Getting a substring from a string starting after a particular character
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This can also get the filename
import java.nio.file.Paths;
import java.nio.file.Path;
Path path = Paths.get("/abc/def/ghfj.doc");
System.out.println(path.getFileName().toString());
Will print ghfj.doc
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Java Interfaces/Implementation naming convention [duplicate]
...ck. Not ITruck because it isn't an ITruck it is a Truck.
An Interface in Java is a Type. Then you have DumpTruck, TransferTruck, WreckerTruck, CementTruck, etc that implement Truck.
When you are using the Interface in place of a sub-class you just cast it to Truck. As in List<Truck>. Putti...
Downcasting in Java
Upcasting is allowed in Java, however downcasting gives a compile error.
11 Answers
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Sockets: Discover port availability using Java
...rammatically determine the availability of a port in a given machine using Java?
10 Answers
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