Java program to remove characters in a string except alphabets Algorithm Take String input from user and store it in a variable called “s”. After that use replaceAll () method. Write regex to replace ...

Remove String Duplicates This Java program is designed to remove duplicate characters from a given input string. It utilizes a boolean array as a map to keep track of the occurrence of each character ...

A clever awk command can make it easy to remove duplicate characters from a string.