Foo.java

/**
 * Foo
 */
public class Foo {

    private static final int MIN_HEIGHT = 130;
    private static final int MAX_HEIGHT = 200;
    private static final int[] EXPECTED = {
        130,
        135,
        140,
        145,
        150,
        155,
        160,
        165,
        170,
        175,
        180,
        185,
        190,
        195,
        200,
    };

    public static void main(String[] args) {
        int[] range1 = range1();
        for (int i = 0, n = range1.length; i < n; ++i) {
            if (range1[i] == EXPECTED[i]) {
                System.out.println("OK: " + range1[i]);
            } else {
                System.out.println("NG: Result = " + range1[i] + ", Expected = " + EXPECTED[i]);
            }
        }
        System.out.println("=====================");
        int[] range2 = range2();
        for (int i = 0, n = range2.length; i < n; ++i) {
            if (range2[i] == EXPECTED[i]) {
                System.out.println("OK: " + range2[i]);
            } else {
                System.out.println("NG: Result = " + range2[i] + ", Expected = " + EXPECTED[i]);
            }
        }
    }

    public static int[] range1() {
        int total = ( (MAX_HEIGHT - MIN_HEIGHT) / 5 ) + 1;
        int[] range = new int[total];
        int num = 0;
        for (int i = MIN_HEIGHT; i <= MAX_HEIGHT; i++) {
            if (i % 5 == 0) {
                range[num] = i;
                num++;
            }
        }
        return range;
    }

    private static final int INTERVAL = 5;
    public static int[] range2() {
        int total = ((MAX_HEIGHT - MIN_HEIGHT) / INTERVAL) + 1;
        int[] range = new int[total];
        for (int i = 0; i < total; i++) {
            range[i] = MIN_HEIGHT + i * INTERVAL;
        }
        return range;
    }

}

「5飛ばしで格納する」という発想を「MIN_HEIGHTに i を5倍したものを格納する」

これなら処理に負荷の掛かる剰余演算使わないのと、条件を省ける。一時変数のnumも要らない。（GCされるからメモリは気にしない）