I am trying to count all the words in each sentence in an array of multiple sentences automatically from a file in eclipse. When I’m splitting the paragraph into sentences the java .split method is returning an empty array Here is the code that is causing me trouble here is my sentence class And finally…
Tag: java
Java Base64 encoding loss of data
say I have the following snippet, where certificate is a java Certificate object: Is there any chance data will not be equal to newData? basically, is there loss of information to string and then back? Thanks Answer Assuming nothing explodes due to out-of-memory errors or similar general problems, this code s…
Java config file multidimensional array
I have a problem. For my code I have a config file with the following content: To read this config file, I have the following code: But now I need to change the format of the names to: The output varialbe has to be of the type: String[][] with as result: What is the best way to achieve this? Answer
Remove break statement
I need to remove break; statements in my code and I’ve run out of ideas how to do it. Can you please help me? Answer
Mock Property value resides in constructor and add that mock while using @injectBean annotation
I have a class where one attribute is getting value from outer repo. Now I want to write an unit test for it. When I run this snippet, it shows a null pointer exception in repository.getValue() May I know how can I mock the value properly to avoid exception? Answer The reason that InjectMocks is not working c…
How can we show the tooltip of a curved line (drawn with piccolo2d) only along the curve and not in the contained area?
In the sample code below (Modified TooltipExample.java from https://github.com/piccolo2d/piccolo2d.java/tree/master/examples/src/main/java/org/piccolo2d/examples), I created a curved line inside a rectangle. It appears that the area/bounds contained by this curve is not along the curve but the highlighted par…
How can I get the id of the table element by clicking on the button with struts2 action
I have a product table whose data is taken from mysql. The button is associated with an action that redirects to a jsp that shows that the product has been purchased. I need this action to create a table where it inserts the id of the customer and the product. My problem is being able to retrieve the id for
Binary search on a sorted list of E(startTime,endTime) to find all E’s matched by a given time range (t1,t2)
I have Event objects as follows, They are sorted by startTime ASC, Events can overlap in any way. I need to obtain a List of all Events matching (incl. partially) a particular range t1,t2 (also ints for minutes since midnight). I don’t want to go through the whole list and check e.getStartTime() <= t…
Access user defined method properties on query – Esper
I implemented a query where i mined data from a database but i have to change it so i mine my data from a custom function in my code. I read the documentation and added the annotation import on the configuration. The query throws that error: I don’t know the type that my function have to return but i tr…
LibreOffice SDK read formula result
I am using the LibreOffice SDK to create a Java program that reads data from a Calc spreadsheet. One of the cells has a formula in it that returns text (i.e. not a numeric/double value). XCell.getFormula() returns the actual formula (“=I6”), rather than the result (“my text”). I have l…