Given a string, sort it in decreasing order based on the frequency of characters. 'e' appears twice while 'r' and 't' both appear once. So 'e' must appear before both 'r' and 't'. Therefore "eetr" is ...

The content of the questions is copied from the website below : How to Print duplicate characters from String? (solution) To start with, we have a simple String related coding question frequently ...

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...