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RegEx backreferences in IntelliJ
...mation on regular expressions and their syntax, refer to documentation for java.util.regex Back references should have $n, rather than \n format.
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How can a string be initialized using “ ”?
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Java String is Special
The designers of Java decided to retain primitive types in an object-oriented language, instead of making everything an object, so as to improve the performance of the language. Primitives are store...
Creating an array of objects in Java
I am new to Java and for the time created an array of objects in Java.
8 Answers
8
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Choose File Dialog [closed]
...:id="@+id/list"></ListView>
</LinearLayout>
FolderLayout.java
package com.testsample.activity;
public class FolderLayout extends LinearLayout implements OnItemClickListener {
Context context;
IFolderItemListener folderListener;
private List<String> item =...
How can I interrupt a ServerSocket accept() method?
... Strange, that there is no this info in docs: download.oracle.com/javase/6/docs/api/java/net/… method is not marked as throwing SocketException. It is only mentioned here download.oracle.com/javase/1.4.2/docs/api/java/net/…
– Vladislav Rastrusny
Ap...
Can two Java methods have same name with different return types? [duplicate]
Can two Java methods have the same name with different return type ? The return type of the methods are different and they are declared with the same method's name.
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How to define @Value as optional
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If you are using Java 8, you can take advantage of its java.util.Optional class.
You just have to declare the variable following this way:
@Value("${myValue:#{null}}")
private Optional<String> value;
Then, you can check whether the ...
Create ArrayList from array
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@Adam Please study the javadoc for java.util.List. The contract for add allows them to throw an UnsupportedOperationException. docs.oracle.com/javase/7/docs/api/java/util/… Admittedly, from an object-oriented perspective it is not very nice that...
Java Generics: Cannot cast List to List? [duplicate]
...hether it's safe or not.
Have a look at this section of Angelika Langer's Java Generics FAQ for more information.
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Moving project to another folder in Eclipse
... It seems to be one of the eclipse oddities that you need to switch to the Java perspective to open the package explorer to move a C/C++ project... seems to work anyway, at least for a makefile project.
– sstn
Sep 6 '11 at 8:07
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