How to check whether given String contains one or more words in Java?

Problem Description :

Write a program in Java that checks whether given String contains one or more words.

String contains one or more words?

Concept :

If any String is separated by one or more spaces it means that String contains more than one word.We are using a Regular Expression to solve this problem.

Java Program :

Output :

Case 1 :

Output - Given String contains more than one word.

Case 2 :

Output - Given String contains only one word.

References :

https://en.wikipedia.org/wiki/Regular_expression

https://docs.oracle.com/javase/7/docs/api/java/lang/String.html

https://docs.oracle.com/javase/7/docs/api/java/lang/String.html#matches(java.lang.String)

https://docs.oracle.com/javase/7/docs/api/java/lang/String.html#trim()

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Tags : Date and Time problems, Number of words in String, Solution in Java, Regular expressions, if else statement.

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