import org.jetbrains.annotations.NotNull; import java.util.*; class C { { Object[] array; List l1 = newMethod(array); List l2 = newMethod(getObjects()); System.out.println("l1 = " + l1 + ", l2 = " + l2); } @NotNull private List newMethod(Object[] array) { List l1 = null; l1 = new ArrayList(Arrays.asList(array)); return l1; } String[] getObjects() { } }