下列 A 类中【代码 1】~【代码 4】哪个是错误的? class Tom { private int x = 120; protected int y = 20; int z = 11; private void f() { x = 200; System.out.println(x); } void g() { x = 200; System.out.println(x); } } public class A { public static void main(String args[]) { Tom tom = new Tom(); tom.x = 22; //【代码 1】 tom.y = 33; //【代码 2】 tom.z = 55; //【代码 3】 tom.g(); //【代码 4】 } }

管理员在查看/etC/pAsswd文件时看到其中有一行用户记录如下:tom:X:1005:1005:tom smith:/home/tom:/Bin/BAsh

以下代码的输出结果是（）lst = ['Tom', 'Mike', 'Peter']print( [ len(x) for x in lst if 'e' in x ] )

Tom wants____ an egg and a glass of milk. A: a B: the C: an D: x

以下代码输出的结果是（） lst=['Tom','Mike','Peter'] print([xforxinlstiflen(x)>3])

对于下列Tom类，哪个叙述是正确的 public class Test { public static void main(String args[]){ Tom cat1 = new Tom(); Tom cat2 = new Tom(100); } } class Tom { void Tom{ System.out.print("hello"); } Tom(int n){ System.out.print(n); } }

Why can’t the woman talk to Tom now A: Tom is terribly ill. B: Tom is in low spirits. C: Tom is bad-tempered. D: Tom is nervous at the moment.

_______ is a large family. A: Toms' B: Tom's C: Tom D: Tom of

5.John gives me more help than ____. A: Tom is B: Tom has C: Tom does D: Tom gives

class Tom { int x = 5,y; void f() { int x = 10; y = x+x; } 请问y的值是多少？ A: 10 B: 15 C: 20