public class A {
    public static void main(String[] args) {
        
        byte[] a={ 49,50,51,52,53,54,55 };
        
        String b=new String(a);      // 1 
        System.out.println(b);
        
        String c=new String(a,2,4);  // 2
        System.out.println(c);
    }

}