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GeezerVison is showing github.com — java-coding-problems/MissingNumber.java at main · GitH05/java-coding-problems

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MissingNumber.java

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MissingNumber.java

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public class MissingNumber {
public static void main(String[] args) {
int num[] = { 1, 3, 4, 5 };
int sum = 0;
// sum of all available numbers
for (int i = 0; i < num.length; i++) {
sum += num[i];
}
// sum of all number from 1-5
int newSum = 0;
for (int j = 1; j <= 5; j++) {
newSum += j;
}
// sum of number from 0 to n - sum of available number
System.out.println("Missing number is: " + (newSum - sum));
}
}
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