# to check string is number or not code example
Example: isnumber java
// find value is number or not in java..
// if the value is number output is true
// if the value is not a number then output is false..
public class Test {
public static void main(String args[]) {
System.out.println(Character.isDigit('c')); // false
System.out.println(Character.isDigit('5')); // true
}
}