java integer size code example

Example 1: how to get length of integer in java

int length = (int) (Math.log10(number) + 1);

Example 2: how to get length of integer in java

int length = 0;
long temp = 1;
while (temp <= number) {
    length++;
    temp *= 10;
}
return length;

Example 3: java long literal

to declare a Long literal in java, add 'L' to the end of
an integer literal

examples:
12312345514316L
59741316635446100055330L
465414966143L