SplitterTest.java

/**
 * Created by mfedorov on 05.05.2016.
 */
public class SplitterTest {

    @Test
    public void splitter() {
        List<String> splitted = split("aabbccddee", 3);
        System.out.println(splitted);

        splitted = split("", 2);
        System.out.println(splitted);

        splitted = split("aaaaaaaddddddd", 1);
        System.out.println(splitted);

        splitted = split("asdf", 20);
        System.out.println(splitted);
    }

    public static List<String> split(String in, int fixedLength) {
        assert fixedLength > 0;
        List<String> splitted = new ArrayList<String>();
        for (int i = 0; i < in.length(); i = i + fixedLength) {
            if (i + fixedLength >= in.length()) {
                System.out.println(1);
                splitted.add(in.substring(i, in.length()));
            } else {
                System.out.println(2);
                splitted.add(in.substring(i, i + fixedLength));
            }
        }
        return splitted;
    }

}