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();
}
}reverse number in java
class Main {
public static void main(String[] args) {
int num = 1234, reversed = 0;
System.out.println("Original Number: " + num);
// run loop until num becomes 0
while(num != 0) {
// get last digit from num
int digit = num % 10;
reversed = reversed * 10 + digit;
// remove the last digit from num
num /= 10;
}
System.out.println("Reversed Number: " + reversed);
}
}Copyright © 2021 Codeinu
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