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I have just come across a string variable in my application code where the value is assigned as follows
String YEAR="${year}";
What does the value of the String variable here?
Without being interpolated, just ${year}.
I can almost guarantee that String is going to be interpolated elsewhere in the code.
Maven, for example, uses this syntax to inject variable values into it's configuration settings.
Use an IDE such as IntelliJ and do a find usage on this variable. An extended find (search/find in path) may also yield results.
As others here have suggested, It is most likely being interpolated somewhere else.
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If I were to print
System.out.println(-Math.abs(-14));
would it print -14 or would it disregard the negative sign on the outside of the Math.abs code?
You will get -14. Please go try your code first to see its behaviour
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is there any way to read from text file word by word (i.e without using split)? . I am able to read line by line directly with nextLine() with a scanner object, but I got error when I tried with next(). Thanks in advance.
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Anyone know how to count: how many times was run a single java file in Eclipse?And write the timestamp of the executed file in a file.txt.
Use the very easy way. Just use a .properties file. With it you are able to get and set one or more values. With that you are able to count the runs. Even if you want to count it for more classs or files!
To create a properties file, do it like so:
Properties prop = new Properties();
Before you can get a value, you have to load the file, into your Properties variable:
prop.load(new FileInputStream("config.properties"));
Than you have to set (or get) the value with a key, like:
prop.setProperty("classruncounter", "5");
or to get
prop.getProperty("classruncounter");
You can read more about that in that simple tutorial. I just give you a quick overview.
You have to create one file to save the value of variable which indicates how many times you run file in eclipse and updated when you run file again.
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I have a list of names (surnames) and a simple search mechanism. I would like to have words with minor changes (typos) shown in search results.
Example search text: braniecka
Example result: Branicka, Kraniecka, Braniecki
Any help appreciated.
You can implement the Levenshtein distance. It is a widely used algorithm.
You could also consider upgrading your solution to Lucene, especially if you are doing any production work. Lucene handles your requirement in an extremely performant way (no brute-force exhaustive search).
Try using simmetrics.
Is a library for measuring string similarity and implements many algorithms.
http://sourceforge.net/projects/simmetrics/
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I have below string which I get from an xml file.
<product>
<aa>1367</aa>
<ac>133787</ac>
<db>13345</db>
<ce>133</ce>
<er>135</er>
<et>130</et>
<ef>14</ef>
</product>
How do I convert it to an two dimension array like
product[][]={{"aa", "1367"},{"ac","133787"}, {"db","13345"}....}
I only want to use string function and loop.
I think the best way is to use an available XML parser.
In this thread: Best XML parser for Java you'll probably find which one is the best to use