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判断下面程序编译是否正确,如果错误简要说明原因 class Person { public: void setID(const int id ) const { this->id = id; } private: int id ; };
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#define b 2 int x = b; void main() { x++; }
更多 “判断下面程序编译是否正确,如果错误简要说明原因 class Person { public: void setID(const int id ) const { this->id = id; } private: int id ; };” 相关考题
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若有类W说明class W{int a;public:voidfConst(int)const;};,则函数fConst的正确定义是()A、void W::fConst(intk)const{k=a;}B、void W::fConst(intk)const{k=a++;}C、void W::fConst(intk)const{cina;}D、void W::fConst(intk)const{a=k;}
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public class TestDemo{ private int x = 2; static int y = 3; public void method(){ final int i=100; int j = 10; class Cinner{ public void mymethod(){ //Here } } } } 在Here处可以访问的变量是哪些?()A、xB、yC、iD、j
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单选题public class ItemTest { private final mt id; public ItemTest(int id) { this.id = id; } public void updateId(int newId) { id = newId; } public static void main(String[] args) { ItemTest fa = new ItemTest(42); fa.updateId(69); System.out.println(fa.id); } } What is the result?()A
Compilation fails.B
An exception is thrown at runtime.C
The attribute id in the Item object remains unchanged.D
The attribute id in the Item object is modified to the new value.E
A new Item object is created with the preferred value in the id attribute.
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