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I'm given a project to develop program to search text files in a folder to find matches for a given text and list the containing files. I can't use Java built-in data structures. I have to use my own data structures with algorithms. I thought of building a data-structure similar … 
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Hi! I'm building a spreadsheet in Java. I want to read a string and read the integers in it to do calculations. Such as =2+(3*5)/4 Is there any method in string class to get integers.
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I'm going to make a small spreadsheet using java. I thought to use jTable as the spreadsheet. How can I display the output when a function like 'sum' included in a cell? 
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