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Using Regular Expressions to Extract a Value in Java
...an simply use Pattern p = Pattern.compile("\\d+");
– javaMan
Nov 14 '11 at 1:05
15
Without explan...
Suppress deprecated import warning in Java
In Java, if you import a deprecated class:
6 Answers
6
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Eclipse/Java code completion not working
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Try restoring the default options in 'Windows > Preferences > Java > Editor > Content Assist > Advanced'
An example of the kind of data you see in this preference screen, however not necessarily what you currently have.
(From Vadim in this blog post " Content Assist Duplica...
Java 8 stream's .min() and .max(): why does this compile?
...ator!
The answer is in the way that the new lambda functionality works in Java 8. It relies on a concept which is informally known as "single abstract method" interfaces, or "SAM" interfaces. The idea is that any interface with one abstract method can be automatically implemented by any lambda - ...
What is the best scripting language to embed in a C# desktop application? [closed]
...formats so we thought we would just expose our object model to a scripting langauge. Time was when that meant VBA (which is still an option), but the managed code derivative VSTA (I think) seems to have withered on the vine.
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Hyphen, underscore, or camelCase as word delimiter in URIs?
...rings that all the keys are in camel case.
– Michael Lang
Jul 28 '15 at 19:37
1
Just FYI - "REST ...
How to print a float with 2 decimal places in Java?
...ike so:
System.out.printf("%.2f", val);
In short, the %.2f syntax tells Java to return your variable (val) with 2 decimal places (.2) in decimal representation of a floating-point number (f) from the start of the format specifier (%).
There are other conversion characters you can use besides f:
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How to properly compare two Integers in Java?
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As of Java 1.6.27+ there an overload on equals in the Integer class, so it should be as efficient as calling .intValue(). It compares the values as primitive int.
– otterslide
Sep 22 '16 at 17...
What is the best way to implement constants in Java? [closed]
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The previous comment about import static only applies to Java 5+. Some feel the shorthand isn't worth the possible confusion as to where the constant came from, when reading long code, MaxSeconds.MAX_SECONDS may be easier to follow then going up and looking at the imports.
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“R cannot be resolved to a variable”? [duplicate]
...is the best way to solve this problem: [Android Development- Where is my R.Java file?][2]
R.java not regenerating
R cannot be resolved - Android error
R cannot be resolved to a variable
R cannot be resolved to a variable -- mailing list entry
Fixed: R cannot be resolved to a variable
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