Method Intersect

drg_group/guangxi_2022/Base.java:81–93

(String[] a,String[] b)

        return false;
    }
    public static Set<String> Intersect(String[] a,String[] b){
        Set<String> s=new HashSet<String>();
        if (a!=null && a.length>0 && b!=null && b.length>0){
            for (String x : a){
                for(String y : b){
                    if (x.equals(y)){
                        s.add(x);
                    }
                }
            }
        }
        return s;
    }
    public static boolean contains(String[] arr, String targetValue){
        if (arr!=null && arr.length>0){
            for(String s: arr){