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Java get number of digits in integer
Method 1 len of number in java
public class Lautturi {
public static void main(String[] args) {
int number = 1234;
int length = 0;
long temp = 1;
while (temp <= number) {
length++;
temp *= 10;
}
System.out.println(length);
}
}
Method 2 number of digits in a integer
public class Lautturi {
public static void main(String[] args) {
int number = 1234;
int length = String.valueOf(number).length();
System.out.println(length);
}
}
Method 3 len of number in java
public class Lautturi {
public static void main(String[] args) {
int number = 1234;
int length = (int) (Math.log10(number) + 1);
System.out.println(length);
}
}
Created Time:2017-10-03 16:08:49
Author:lautturi 