private List joinAllCombinations()

in use-cases/employee-scheduling/src/main/java/org/acme/employeescheduling/bootstrap/DemoDataGenerator.java [177:195]

• 19 lines of code
• 4 McCabe index (conditional complexity)

    private List<String> joinAllCombinations(String[]... partArrays) {
        int size = 1;
        for (String[] partArray : partArrays) {
            size *= partArray.length;
        }
        List<String> out = new ArrayList<>(size);
        for (int i = 0; i < size; i++) {
            StringBuilder item = new StringBuilder();
            int sizePerIncrement = 1;
            for (String[] partArray : partArrays) {
                item.append(' ');
                item.append(partArray[(i / sizePerIncrement) % partArray.length]);
                sizePerIncrement *= partArray.length;
            }
            item.delete(0,1);
            out.add(item.toString());
        }
        return out;
    }