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Java - check if number is odd or even
7 points
If a number is divisible by two then it is even, otherwise, it is odd.
To find reminder in java we use modulo operator %
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Even numbers always end with a digit of 0, 2, 4, 6 or 8
Odd numbers always end with a digit of 1, 3, 5, 7 or 9
Examples of even numbers:
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26
Examples of odd numbers:
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27
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public class JavaCheckIfNumberIsOddOrEven {
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public static void oddOrEven(int no) {
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if (no % 2 == 0) {
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System.out.println(no + " is even number");
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} else {
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System.out.println(no + " is odd number");
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}
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}
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public static void main(String[] args) {
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oddOrEven(4); // 4 is even number
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oddOrEven(5); // 5 is odd number
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}
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}
Output:
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4 is even number
2
5 is odd number
Wiki - Parity
Modulo in java - syntax, how to use it with examples