JAVA help!!!!!!! loops?

Question

1. Write a for loop that prints in ascending order all the positive multiples of 5 that are less than 175, separated by spaces. 

2. Given a PrintWriter reference variable named output that references a PrintWriter object, write a statement that writes the string "Hello, World" to the file output streams to.

3. Write a for loop that prints the integers 0 through 39, separated by spaces. 

4. Write a for loop that prints in ascending order all the positive integers less than 200 that are divisible by both 2 and 3, separated by spaces.

brilliant_moves · Accepted Answer

I've done the first question for you.  Now have a go and see if you can do the others.  Good luck!  If you get stuck, post your code here, and we'll be able to help you.

public class ForLoop1 {
	public static void main(String[] args) {
		for (int i=5; i<175; i+=5) {
			System.out.print(i+" ");
		}
	}
}

Camirr · Answer

Just had this for my CS hw. Hope this saves you a lot of annoyingness

for (int n = 5; n < 175 ; n ++) {
	if ( n % 5 == 0)
	{
      System.out.print(n + " ");

The for loop starts at 5 via initialization, before going all the way up to 174 ( hence n < 175)

It goes up by 1s, and then the if statement says that if those integers get divided by 5 and have no remainder (Hence a multiple), that integer is to be printed.

I tried it with a blank else statement but it was refused, so just go simple here :).

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JAVA help!!!!!!! loops?

2 Answers