Write a java program that count the number of letters in a String and find the first occurrence of S, U, I, T in the String and return indices of S, U, I, T. Join the three initialized Strings string1, string2, and string3. Count the number of white spaces in the complete string. Use toUpperCase() and replaceAll("\\s", "") methods to convert string into Upper Case and remove all white Spaces from the string. Count the number of letters in the string. Find the first occurrence of S, U, I, T in the String and return indices of S, U, I, T.

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