how to reverse numbers in java
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int num = input.nextInt();
int rev = 0;
while (num > 0) {
rev = rev * 10 + num % 10;
num /= 10;
}
System.out.println(rev);
}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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