import java.math.*;
import java.util.*;

public class Main {

  public static void main(String[] args) {

    // TODO Auto-generated method stub
    char[] W1 = {'0','1','2','3','4'};
    byte[] W2= {65,66,67,68};
    String A = new String(W1);
    String B = new String(W1,1,3);//从下标位置为1的数开始，输出3个数
    String C = new String(W2);//按照ASCII编码进行输出
    String D = new String(W2,1,3);
    System.out.println(A);//输出01234
    System.out.println(B);//输出123
    System.out.println(C);//输出ABCD
    System.out.println(D);//输出BCD
  }

}