int i = 0xFFFFFFF1换成二进制就是
1111,1111,1111,1111,1111,1111,1111,0001,按位取反,就是
0000,0000,0000,0000,0000,0000,0000,1110,
换成10进制就是14
1111,1111,1111,1111,1111,1111,1111,0001,按位取反,就是
0000,0000,0000,0000,0000,0000,0000,1110,
换成10进制就是14
一下明明是怎样转换的了
那个面的呢??
我懂了好结帖
11. Which two demonstrate an “is a” relationship? (Choose Two) A. public interface Person { }
public class Employee extends Person { }
B. public interface Shape { }
public class Employee extends Shape { }
C. public interface Color { }
public class Employee extends Color { }
D. public class Species { }
public class Animal (private Species species;)
E. interface Component { }
Class Container implements Component (
Private Component[ ] children; )
答案是D E
是组合
排除了A,B,C