wrapperdemo.java

一些小java程序,可做练习用,希望能对你有用

public class WrapperDemo {
       public static void main(String[] args) {
              int data1=10;
              int data2 =20;
              Integer data1Wrapper=new Integer(data1);
              Integer data2Wrapper=new Integer(data2);
              System.out.println(data1/3);
              System.out.println(data1Wrapper.doubleValue()/3);
              System.out.println(data1Wrapper.compareTo(data2Wrapper));
        }
}