import java.io.*; class Person{ public void print(){System.out.print("Person ");} public void printMyGender(String s){ this.print(); System.out.print(s+" "); } } class Gender{ String type="gender"; public void print(Person p){p.printMyGender(type);} } class Female extends Gender{ public Female(){ type="female"; } } class Male extends Gender{ public Male(){ type="male"; } } class Employee extends Person{ public void print(){ System.out.print("Employee ");} } class Manager extends Employee{ public void print(){ System.out.print("Manager ");} } public class Test{ public static void main(String[] args){ Manager man = new Manager(); Employee em = new Employee(); Gender gender1 = new Male(); Gender gender2 = new Female(); gender1.print(man); gender2.print(em); } } 对于以上代码，其运行结果是

import java.io.*;</p></p> class Person{</p></p> public void print(){System.out.print("Person ");}</p></p> public void printMyGender(String s){</p></p> this.print();</p></p> System.out.print(s+" ");</p></p> }</p></p> }</p></p> class Gender{</p></p> String type="gender";</p></p> public void print(Person p){p.printMyGender(type);}</p></p> }</p></p> class Female extends Gender{</p></p> public Female(){</p></p> type="female";</p></p> }</p></p> }</p></p> class Male extends Gender{</p></p> public Male(){</p></p> type="male";</p></p> }</p></p> }</p></p> class Employee extends Person{</p></p> public void print(){</p></p> System.out.print("Employee ");}</p></p> }</p></p> class Manager extends Employee{</p></p> public void print(){</p></p> System.out.print("Manager ");}</p></p> }</p></p> public class Test{</p></p> public static void main(String[] args){</p></p> Manager man = new Manager();</p></p> Employee em = new Employee();</p></p> Gender gender1 = new Male();</p></p> Gender gender2 = new Female();</p></p> gender1.print(man);</p></p> gender2.print(em);</p></p> }</p></p> }</p></p> 对于以上代码，其运行结果是</p></p>

下列各语句输出结果为True的是（ ）。 A: print(7<2) B: print(5>0) C: print((1>2)and(2>1)) D: print(2==0)

下列语句，输出为True的是（）。 A: print(3 > 3 and 3 > 2) B: print(2 > 3) C: print(not 3) D: print(2 and True)

以下4个语句中，输出逻辑值为"True"的是______。 A: Print Not(3+5＜4+6) B: Print 2＞1 And 3＜2 C: Print 1＞2 Or 2＞3 D: Print Not(1＞2)

写出下列程序的运行结果 s='abcdefg' print(s[3]) print(s[3:5]) print(s[:5]) print(s[3:]) print(s[::2]) print(s[::-1]) print(s[-2:-5])

下列语句，输出为True的是（）。 A: print(3 &gt; 3 and 3 &gt; 2) B: print(2 &gt; 3) C: print(not 3) D: print(2 and True)

【单选题】若要将语句 Print 2 /3的输出结果显示为 0.6 666667 , 应将语句写为 ________。 A. Print 2/3 B. Print Format(2/3, “#.0000000”) C. Print Format(2/3, “0.#######”) D. Print Format(2/3, “#.#######”)

下面代码输出什么结果？（ ） if 1+1==2: if 2*2==8: print(“if”) else: print(“else”)

能够将二进制数11111010转为十进制整数的语句有： A: print(int('0B11111010', base=2)) B: print(int('11111010', base=2)) C: print(int('0b11111010', 2)) D: print(int('11111010', 2))