How to calculate date/time difference in Java
How to calculate the date and time difference in Java using a simple method of division and remainder of division.
How to compare dates in Java
How to compare dates in Java using Date (compareTo, before, after, equals), Calendar(before, after, equals) and LocalDate(isBefore, isAfter, equals) classes.
How to read XML file in Java using DOM
How to read XML file in Java using DOM. 2 methods: one reading each element by the name and second parsing the entire DOMobject.
How to read CSV file in Java
How to parse CSV file in Java and display all the value.The solution treats the case when a column contains the delimiter and the double quote character.
How to read and write JSON with json-simple
How to read and write JSON with json-simple library. Full example how to create an object, write it to a file, read it and use it.
How to parse Google Search result in Java
How to parse Google Search result in Java using URLConnection and a regular expression to parse the response. Can be used to check the Google SERP position.
