Write a Program that prints the repeated words in a String For example - We are what we repeatedly do; excellence, then, is not an act but a habit. should print we, should count for case insensitive words too

Interview Questions and Answers

Q1. Write a Program that prints the repeated words in a String

For example -

We are what we repeatedly do; excellence, then, is not an act but a habit.

should print we, should count for case insensitive words too

Core Java

Ans. public class BuggyBread {
 public static void main(String args[]) {
 Map<String,Integer> wordLength = new HashMap();

 String str = "We are what we repeatedly do; excellence, then, is not an act but a habit.";
 String longestWord = "";

 str = str.replaceAll(",","");
 str = str.replaceAll(";","");
 str = str.replaceAll("/.","");
 str = str.toLowerCase();

 for(String word: str.split(" ")){
 if(wordLength.containsKey(word)){
 wordLength.put(word, wordLength.get(word).intValue() + 1);
 } else {
 wordLength.put(word, 1);
 }
 }

 for(Map.Entry<String, Integer> entry:wordLength.entrySet()){
 if(entry.getValue().intValue() > 1){
 System.out.println(entry.getKey());
 }
 }
 }
}

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