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ReverseInteger.class
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ReverseInteger.java
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+// How to reverse a integer
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+public class ReverseInteger {
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+ public static void main(String[] args) {
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+ int number = 1234;
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+ int reverse = 0;
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+ // solution 1
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+ while(number != 0) {
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+ reverse = reverse * 10 + number % 10;
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+ number = number / 10;
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+ }
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+ System.out.println("Reverse number via algo: "+ reverse);
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+ // solution 2
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+ System.out.println("Reverse number via string nuffer: "+(new StringBuffer(String.valueOf(reverse))));
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+}
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