Question : how to check if a char is a letter java
Answered by : wideeyed-wallaby-5omocmhhefjz
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 letterSource : | Last Update : Mon, 03 Aug 20
Question : check if char is in char array java
Answered by : abdullah-0kvpuik7ilzv
if (new String(charArray).indexOf('q') < 0) { break;
}Source : | Last Update : Tue, 14 Jun 22
Question : java char array contains value
Answered by : conrad-bhnke
// Import required package
import java.util.Arrays;
// Check if an array contains a value
Integer[] arr = new Integer[]{1, 2, 3, 4, 5};
boolean contains = Arrays.asList(arr).contains(3);Source : | Last Update : Wed, 02 Aug 23