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Learn the tricks to using Google efficiently with special characters and keywords. Also find some fun hidden Google search easter eggs!
Learn how to use Regular Expressions (Regex) to define a search pattern, simplify search queries, and perform complex tasks.
Learn how to select the first non-repeating character in Java.
Learn how to solve Project Euler Problem 27: Quadratic Primes in Java.
Learn how to remove one character from a string in Java.