How can we check if a particular character is upper case in Java ?
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Java - Interview Questions and Answers
Q1.
How can we check if a particular character is upper case in Java ?
Core Java
2017-07-29 09:58:48
Ans. 1. We can compare the ascii value of the character. Ascii for Capital case character is from 65 to 90.
2. We can compare to see if lowerCase of the character is not equal to character itself.
For example -
if character is 'a' the following code
new StringBuilder(char).toString().toLowerCase().equals(new StringBuilder(char)
will return true and hence char is lower case
if character is 'A' the following code
new StringBuilder(char).toString().toLowerCase().equals(new StringBuilder(char)
will return false and hence char is upper case
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