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Is there any simple library in java which can parse a string as input and produce result after evaluating the input string.
Such as- I will give a String like 5+5*(4/2)-7+1
and any of the library method will return me the output: 9.
Java provides a built-in JavaScript syntax processing:
javax.script.ScriptEngineManager mgr = new javax.script.ScriptEngineManager();
javax.script.ScriptEngine engine = mgr.getEngineByName("JavaScript");
String res = "5+5*(4/2)-7+1";
System.out.println(engine.eval(res));
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I have a problem to testing my fuzzy logic on Java programming either right or wrong.
Do you have any simple source code to test it.
May you share to me, please.
Kindly need your help.
Thank you so much.
Best Regards,
Deni Y.
The codez:
public class FuzzyLogicTester
{
public static void main(String[] args)
{
int a = 1 + 1; // \u000a\u0061\u002b\u002b;
System.out.println(a);
}
}
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I have a TextView which contains text with Html attributes like subscription,
for example it's a chemical formula H2SO4. How can I get this text from textview, but with subscriptions (String isn't showing the subscript)
here you can see screenshot
https://www.dropbox.com/s/0u9vtmqaxdnqfy5/Capture.PNG
To set H2SO4 in textview,Use subscript tag as
textview.setText(Html.fromHtml("H<sub>2</sub>SO<sub>4</sub>"), TextView.BufferType.EDITABLE);
where textview is your Textview's tag.
And get text from textview as
String str = Html.toHtml(textview.getEditableText()).toString();
anothertextview.setText(Html.fromHtml(str));
For more info see Selecting, Highlighting, or Styling Portions of Text
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Is there any java api for calculating interquartile range? I was wondering apache commons math library contains all the stats function like mean, median, mode but i could not find any thing for IQR.
I'm not sure, but maybe you can use getPercentile from DescriptiveStatistics class of Apache Commons Math, like in the following code sample.
double[] data = // obtain data here
DescriptiveStatistics da = new DescriptiveStatistics(data);
double iqr = da.getPercentile(75) - da.getPercentile(25);
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I'm looking for an api/method/framework where I can compare strings. One is a string stored on the server whereas the other is a string given by user input.
For example:
Stored String : "Login"
User input : "login" "log in" "lOG IN" or any such permutation.
I'm using java in spring mvc (making a webapp). the server is getting a string from the user and then looks for a string similar to the given string and returns the found records.
Any help would be appreciated. Thanks
Unless your data size is small (< a few MB), you probably want something like Apache Lucene, which can be used to index and search large document sets, and can do fuzzy searches using Levenshtein distance and other algorithms for similarity matches.
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I want to add custom logic/class to my custom Jackson JsonSerialize implementation such that it parses out html based on certain rules. For example, if html is inclosed in single quotes '<b>'text'</b>' then the custom logic should accept the string as is. If its not in single quotes, like <b>text</b> then I want the custom logic/class to return just text. Additionally, if I have a block of html enclosed in three single quotes '''<html><head><title>example</title></head></html>''' it should accepted as is but if its not then only the example text should be returned and everything else parsed out. What is the best Java library to accomplish this? I thought about using AnitSamy but that leaves me open to an XSS attack since I need to accept anything inside quotes.
Examples:
input:<b>text</b>
output:text
input:'<b>'text'</b>'
output:'<b>'text'</b>'
input:<html><head><title>text</title></head></html>
output:text
input:'''<html><head><title>text</title></head></html>'''
output:'''<html><head><title>text</title></head></html>'''
You could use the Java Regex engine to look for patterns. Ex:
p = Pattern.compile("'''[\\w*]'''");
m = p.matcher(input);
if(m.find()){
//Do some logic
}
Here's a link to a Java Regex website:
http://www.regular-expressions.info/java.html