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Old 08-01-2017, 03:00 AM   #1
sonakshibhathi
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Join Date: Jul 2017
Posts: 15
How to reverse an integer in Java?

Hi friends,
How to reverse an integer in Java?
please suggest to know..
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Old 08-02-2017, 04:53 AM   #2
jackkodell12
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Join Date: Aug 2013
Posts: 111
Modding (%) the input int by 10 will extract off the rightmost digit. example: (1234 % 10) = 4.
Multiplying an integer by 10 will "push it left" exposing a zero to the right of that number, example: (5 * 10) = 50.
Dividing an integer by 10 will remove the rightmost digit. (
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Old 08-29-2017, 01:50 AM   #3
ketul
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Join Date: Aug 2014
Location: Bangalore
Posts: 3,106
You can use below code for it.
public static void reverse(int n)
{
int temp = 0;
int count = 0;

while(n != 0)
{
if(n%10 == 0)count++;
temp = temp*10 + n %10;
n /= 10;
}
for(int i = 0; i < count; i++)
{
System.out.print(0);
}
System.out.println(temp);
}
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Old 03-25-2018, 10:45 PM   #4
albertomorrison
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Join Date: Dec 2017
Location: Santa Clara, California, USA
Posts: 91
There are three ways. I know
⦁ First Method-Using Integer
⦁ Second Method-Using String
⦁ Third Method-Reverse string using StringBuffer class
Get complete info @ qr.ae/TU1KeQ
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