title: how check if String has Full width character in java
body: <p>Can anyone suggest me how to check if a <code>String</code> contains full width characters in <code>Java</code>? Characters having full width are special characters.</p>
  
  <p>Full width characters in String: </p>
  
  <pre>ａｂｃ＠ｇｍａｉｌ.ｃｏｍ</pre>
  
  <p>Half width characters in String: </p>
  
  <pre>abc@gmail.com</pre>