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What is the idiomatic way to compose a URL or URI in Java?
How do I build a URL or a URI in Java? Is there an idiomatic way, or libraries that easily do this?
7 Answers
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Convert Existing Eclipse Project to Maven Project
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Start from m2e 0.13.0 (if not earlier than), you can convert a Java project to Maven project from the context menu. Here is how:
Right click the Java project to pop up the context menu
Select Configure > Convert to Maven Project
Here is the detailed steps with screen shots.
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Simple (non-secure) hash function for JavaScript? [duplicate]
...code, not hundreds of lines) hash function written in (browser-compatible) JavaScript? Ideally I'd like something that, when passed a string as input, produces something similar to the 32 character hexadecimal string that's the typical output of MD5, SHA1, etc. It doesn't have to be cryptographica...
Difference between volatile and synchronized in Java
...tile and always accessing the variable in a synchronized(this) block in Java?
4 Answers
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Java ArrayList copy
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nowhere in java-api deep cloning is done by any collection class
– Vikash
May 5 '18 at 15:46
1
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Extract digits from a string in Java
I have a Java String object. I need to extract only digits from it. I'll give an example:
14 Answers
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Effect of a Bitwise Operator on a Boolean in Java
... behaviour in the latter case is specified. See the section 15.22.2 of the Java Language Specification for details.
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Enabling ProGuard in Eclipse for Android
...ers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator *;
}
-keepclassmembers class **.R$* {
public static <fields>;
}
I think I've answered all t...
Managing constructors with many parameters in Java
...llowing of this Josh Bloch presentation (PDF), or this review of Effective Java
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How to set JVM parameters for Junit Unit Tests?
...For the rest - you must remember that JUnit test cases are just a bunch of Java classes, not a standalone program. It is up to the runner (let it be a standalone JUnit runner, your IDE, maven-surefire-plugin to set those options. That being said there is no "portable" way to set them, so that memory...