In this guide, we’ve compiled a list of the most frequently encountered Java interview programs, along with explanations and solutions to help you ace your technical interview.
1. How to find duplicate characters in a string in Java?
Write a Java program to find duplicate characters and their count in a given string. For example, in a string “Mississippi”, duplicate characters and their count is i : 4 s : 4 and p : 2. [Solution]
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