Detect Capital
Given a word, you need to judge whether the usage of capitals in it is right or not.
We define the usage of capitals in a word to be right when one of the following cases holds:
All letters in this word are capitals, like "USA".
All letters in this word are not capitals, like "leetcode".
Only the first letter in this word is capital, like "Google".
Otherwise, we define that this word doesn't use capitals in a right way.
Example 1:
Input: "USA"
Output: True
Example 2:
Input: "FlaG"
Output: False
Note: The input will be a non-empty word consisting of uppercase and lowercase latin letters.
Recommended: Please try your approach on your integrated development environment (IDE) first, before moving on to the solution.
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Solution
( Java )
class Solution {
public boolean detectCapitalUse(String word) {
int n=word.length();
if(word.equals(word.toUpperCase())){
return true;
}
for(int i=1;i<n;i++){
if(word.charAt(i)<='A' && word.charAt(i)>='Z'){
return false;
}
}
return false;
}
}
If you have any doubts regarding this problem or need the solution in other programming languages then leave a comment down below .
