reverse number in java
import java.util.*;
class reverse
{
public static void main(String args[])
{
Scanner sc = new Scanner(System.in);
System.out.println("Enter String: ");
String str = sc.next();
char d;
String str2 = "";
int l = str.length();
for(int i = l-1; i >= 0; i--)
{
d = str.charAt(i);
str2 = str2 + d;
}
System.out.println(str2);
sc.close();
}
}how to reverse a number in java
int rev= 0;
while(num > 9)
{
rev= rev*10 + num%10;
num/= 10;
}Copyright © 2021 Codeinu
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