how to check if a char is a letter java
Character.isDigit(string.charAt(index)) //(JavaDoc) will return true if it's a digit
Character.isLetter(string.charAt(index)) //(JavaDoc) will return true if it's a letterhow to check if a char is a letter java
Character.isDigit(string.charAt(index)) //(JavaDoc) will return true if it's a digit
Character.isLetter(string.charAt(index)) //(JavaDoc) will return true if it's a lettercheck if character is available in string
function mutation(arr) {
let first = arr[0].toLowerCase();
let second = arr[1].toLowerCase();
for(let i = 0; i < second.length; i++) {
if(first.indexOf(second[i]) < 0) return false;
}
return true;
}
mutation(["hello", "hey"]);Copyright © 2021 Codeinu
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