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Write a Java Program to Count Number of Digits in an Integer
PROGRAM: Java Program to Count Number of Digits in an Integer
/* Java Program to Count Number of Digits in an Integer*/
1: Count Number of Digits in an Integer using while loop
public class Main {
public static void main(String[] args) {
int count = 0, num = 0003452;
while (num != 0) {
// num = num/10
num /= 10;
++count;
}
System.out.println(“Number of digits: ” + count);
}
}
2: Count Number of Digits in an Integer using for loop
public class Main {
public static void main(String[] args) {
int count = 0, num = 123456;
for (; num != 0; num /= 10, ++count) {
}
System.out.println(“Number of digits: ” + count);
}
}
