Java java.lang String Search

Description

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1. Returns the number of occurrences of needle in haystack.
2. Counts the number of matches that exist in the string
3. color All Word in list of word in Content
4. Will return number of consonants in given string 'str'
5. Will return number of vowels in given string 'str'
6. Will return string without redundant spaces
7. This method checks if a String contains only numbers
8. Abbreviates a String which can contain html tags.