for(String word : words) code example
Example: turning a sentence to an array java
String s = "This is a sample sentence.";
String[] words = s.split("\\s+");
for (int i = 0; i < words.length; i++) {
// You may want to check for a non-word character before blindly
// performing a replacement
// It may also be necessary to adjust the character class
words[i] = words[i].replaceAll("[^\\w]", "");
}