Thread: a tiny question

hello
i am a beginer in java world and i have this question

i want a code to do this

1- prompt to enter a number
2-number not less than 1
3- the output needs to be like this -2+4-6+8-10+12-14+16-18+20 to the number i entered and stops

thanks in advance

ok
this is what i did

public static void main(String[] args){

Scanner num = new Scanner (System.in);
int highestnum;
int count = 0;
System.out.println("Enter the number :") ;
highestnum = num.nextInt();


while(count<highestnum)
{
count= count+2;

System.out.print(" "+count);
}


}

}

i cant fuigre out how to put - and + before the output one at a time

plz help

i dont get it
what the if condition would be so i can put - and + one at a time?

i get the boolean part