StringUtils.isAllUpperCase¶

Signature: StringUtils.isAllUpperCase(inputString)

Returns: Boolean result - true if inputString contains only uppercase letters and is not empty

Checks if the inputString contains only uppercase letters. null or empty ("") string will return false.

Parameters¶

Type	Name	Description	Default
String	inputString	the String to check, may be null

Example¶

StringUtils.isAllUpperCase('SPACES ARE NOT UPPERCASE');                // false
StringUtils.isAllUpperCase('IFALLTHELETTERSAREUPPERCASEYOUAREGOLDEN'); // true