Question: Write a Java program that calculates the number of duplicate words in a sentence. You may assume that the input consists only 52 English characters

Write a Java program that calculates the number of duplicate words in a sentence. You may assume that the input consists only 52 English characters with a single white-space as the separator between words (not punctuations in the inputted sentence). You need consider uppercase and lowercase letters the same. You may get the input from the keyboard. (You need to use Set and/or Hashset). The output should look like the followingthe number of the duplicates and the unique words for that input sentence: Write a Java program that calculates the number of duplicate words in

Please enter a sentence: I am Happy i was happy There are 2 words that are duplicates. The unique words are: [was, i, happy, am]

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