将字符串转换为长型

public class Main {/** 来 自 时 代 J a v a 公 众 号 - nowjava.com**/

 

  public static void main(String[] args) {

    //1. Construct Long using constructor.

    Long lObj1 = new Long("100");

    System.out.println(lObj1);

   

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

    String str = "100";

    Long lObj2 = Long.valueOf(str);

    System.out.println(lObj2);

   

  }

}