Question

WAP to print the sum of the series 1-2+3-4.....n​

Answer 1

Answer:

static void main()

{ int s=0;

for(int I =1;i<=10;i++)

{if(i%2==0)

{s=s-i;

}

else

{

s=s+i;

}

}

System. out.println("sum is "+s);

}