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Sum of Array Numbers (Array Values Must be positive)
Program
import java.util.Scanner;
class Main
{
public static void main(String args[])
{
int x,n,sum=0;
Scanner s=new Scanner(System.in);
System.out.println("Enter size of the array");
n=s.nextInt();
int marks[]= new int[n];
n=marks.length;
for(x=0;x<n;x++)
{
System.out.println("Enter subject "+(x+1)+" marks");
marks[x]=s.nextInt();
while(marks[x]<0 || marks[x]>100)
{
System.out.println("Enter subject "+(x+1)+" marks again");
marks[x]=s.nextInt();
}
sum=sum+marks[x];
}
System.out.println(sum);
}
}
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