quiz7_9.java

来自「程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件」· Java 代码 · 共 12 行

public class Quiz7_9 {
   public static void main( String[] args ) {
      Integer i = new Integer( 6 );
      Long l = new Long( 10000000067L );
      Double d = new Double( 4.567 );
      Number n;
      n = d;
      d = i;
      l = (Long) i;
      System.out.println( l );
   }
}