Java Collection Utility methods - Trim/notNull for Collection
1 Mins read
Similar to the trim utility method for Array. below is another simple but useful Java Collection Utility/Util method, which can be used…
Java Array Utility methods - Trim/notNull for Array of Objects
1 Mins read
This is another simple but useful Java Array Utility/Util method, which can be used to trim/remove all null Object values in an…
How get instance of Past or Future date in Java
3 Mins read
Date manipulation is required in everyday Java programming. Creating a date instance for a past or future date is required at many…
Java Date Utility methods: Getting past/future date from days
1 Mins read
Date manipulation is required in everyday Java programming. Creating a date instance for a past or future date is required at many…
String Utility Methods: Merging two String arrays
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This is another simple Java String utility/util method, which can be used to merge two arrays of String values. This takes care…
String Utility Methods: Converting int[] to String
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java array tostring, convert java array to string, convert array to string, toString() method for array, array utility method convert to string,…
Boolean Expression Evaluation using JEP in Java
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There are not many open source library available for Boolean expression evaluation. If we have a requirement of evaluating an expression of…
Lucene: Asynchronous Index Writer for faster writing
4 Mins read
I was trying to do some Index writing speed improvement and thought of creating a asynchronous Lucene index writer. This writer provides…
Hacking Java class: Calling private Constructor of Java class outside the class
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Here is a sample code by which you can hack and call the private constructor of a class using reflection. public class…