java is digit
The java.lang.Character.isDigit(char ch) is an inbuilt method in java
which determines whether a specified character is a digit or not.
// two characters
char c1 = 'A', c2 = '4';
// Function to check if the character
// is digit or not
System.out.println(
c1 + " is a digit -> "
+ Character.isDigit(c1));
System.out.println(
c2 + " is a digit -> "
+ Character.isDigit(c2));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
}
}java digit in number
public static void recursion(int number) {
if(number > 0) {
recursion(number/10);
System.out.printf("%d ", (number%10));
}
}Copyright © 2021 Codeinu
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