将字符串转换为字节

 
 /**
 时 代 J a v a 提供 
 **/

public class Main {

 

  public static void main(String[] args) {

    //1. Construct Byte using constructor.

    Byte bObj1 = new Byte("100");

    System.out.println(bObj1);

   

    //2. Use valueOf method of Byte class. This method is static.

    String str = "100";

    Byte bObj2 = Byte.valueOf(str);

    System.out.println(bObj2);

  }

}