Specify the number of digits in java

Question

Suppose you have:

int a = 3;

And I want to indicate that the number of digits is 5. So when I print it, the output is:

Thank!

+3

java format numbers

Oliver Hoffman Jan 29. 13 at 8:49

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1 answer

Thilo · Accepted Answer · 2013-01-29T08:51:14+0000

An int

only stores the value, no formatting. To show or store leading zeros, you need to use a string.

 System.out.println(String.format("%05d", a));