File类的构造方法public File(String parent, String child)中，参数child是（ ）

给定Java程序Child.java的代码如下所示，则编译运行该类的结果是（）。 classParent{ Parent(){ System.out.println("parent"); } } publicclassChildextendsParent{ Child(Strings){ System.out.println(s); } publicstaticvoidmain(String[]a

给定Java代码如下所示，则编译运行后，输出结果是。 class Parent { public void count() { System.out.println(10%3); } } public class Child extends Parent{ public void count() { System.out.println(10/3); } public static void main(String args[]) { Parent p = new Child(); p.count(); } }

以下定义的PowerScript标识，（）不正确？ A: string_string B: %string_string C: String_n2ame D: String_Parent

【单选题】一个类没定义父类,则它的父类是 A. Math B. Object C. String D. Parent

1. These days, a problem for many (parent/parents) is deciding how to control internet addiction. A: parents B: parent C: parent D: parent

已知Parent类，创建该类对象的语句的是（ ）。 A: Parentzhang=create Parent() B: Parentzhang=new Parent() C: Parentzhang=new Parent D: Parentzhang=news Parent()

The stratification of parent material (heterogeneous parent material) has a more complex influence on the material migration and soil fertility, compared with homogeneous parent material. The stratification of parent material will be inherited to soil.

When would a parent NOT be their child’s hero? A: When the parent is involved in raising money. B: When the parent does work outside the home. C: When the parent won’t do what the child wants. D: When the parent is involved in selfish activities.

有如下程序： #include ＜iostream＞ using namespace std; class PARENT public: PARENT() cout＜＜"PARENT"; ; class SON: public PARENT public: SON() cout＜＜"SON"; ; int main() SON son; PARENT *p; p=&son; return 0; 执行上面程序的输出是 【13】 。