阅读下面程序 public class My Val{ public static void main(String args[]){ My Val m=new My Val(); m. amethod(); } public void amethod(){ boolean b[]=new Boolean[5]; } } 程序编译或运行结果是A.1B.nullC.D.编译不能过
阅读下面程序 public class My Val{ public static void main(String args[]){ My Val m=new My Val(); m. amethod(); } public void amethod(){ boolean b[]=new Boolean[5]; } } 程序编译或运行结果是
A.1
B.null
C.
D.编译不能过
相关考题:
有以下程序: include using namespace std; class MyClass { public: static int s; M 有以下程序:include<iostream>using namespace std;class MyClass{public:static int s;MyClass();void SetValue(int val);};int MyClass::s=0;MyClass::MyClass(){S++;}void MyClass::SetValue(int val){s=val;}int main(){MyClass my[3],*p;p=my;for(int k=0;k<3;k++){p->SetValue(k+1);p++;}cout<<MyClass::s<<end1;return 0;}运行后的输出结果是______。
有如下程序: include using namespace std; class Part{ public: 有如下程序: #include <iostream> using namespace std; class Part{ public: Part(int x=0):val(x) { cout<<val; } ~Part() { cout<<val; } private: int val; }; class Whole { public: Whole(int x, int y, int z=0):p2(x),p1 (y),val(z) { cout<<val; } ~whole() { cout<<val; private: Part p1,p2; int val; }; int main() { Whole obj (1,2,3); return 0; }程序的输出结果是A.123321B.213312C.213D.123123
下列程序的输出结果为( )。 #include<iostream.h) class TestClass { public: TestClass(){val++;} static,int val; }; int TestClass::val=0; void main() { TestClass cs1; cout<<csl.val<<““; TestClass cs2; TestClass cs3,cs4; coA.03B.13C.14D.24
有如下程序:includeusing namespace std;class MyClass{public:MyClass(int x):val(x 有如下程序: #include<iostream> using namespace std; class MyClass{ public: MyClass(int x):val(x){} void Print()const{cout<<“const:val=”<<<val<<‘\’;} void Print(){cout<<“val=”<<val<<‘t’;} private: int va1; }; int main(){ consA.val=10 const:val=20B.const:val=10 const:val=20C.const:val=10 val=20D.val=10 val=20
有如下程序:includeusing namespace std;class Part{public:Part(int x=0):val(x){co 有如下程序: #include<iostream> using namespace std; class Part{ public: Part(int x=0):val(x){cout ~Part( ){cout<<val;} pritave: int val; }; class Whole{ public: Whole(int x,int Y,int z=0):p2(x),p1(Y),val(z){cout<<val;} ~Whole( ){cout<<val;} pritave: Part p1,p2; int val; f; int main( ){ Whole obj(1,2,3); return 0; } 程序的输出结果是A.123321B.213312C.213D.123123
有如下程序:includeusing namespace std;class Part{public:Part(int x=0):val(x) {c 有如下程序: #include<iostream> using namespace std; class Part{ public: Part(int x=0):val(x) {cout<<val;} ~Part(){cout<<val;} private: int val; }; class Whole{ public: Whole(int x ,int y, int z=0):p2(x),p1(y),val(z){cout<<val;} ~Whole(){cout<<val;} private: Part p1,p2; int val; }; int main() Whole obj(1,2,3); return 0; } 程序的输出结果是( )。A.123321B.213312C.213D.123123
有以下程序:includeusing namespace std;class MyClass{public: MyClass(); ~MyClass 有以下程序: #include<iostream> using namespace std; class MyClass { public: MyClass(); ~MyClass(); void SetValue(int val); private: static int i; }; int MyClass::i=0; MyClass::MyClass() { i++; cout<<i; } MyClass::~MyClass() { i--; cout<<i; } void MyClass::SetValue(int val) { i=val; } int main() { MyClass*my[2]; int k; for(k=0;k<2;k++) my[k]=new MyClass; for(k=0;k<2;k++) delete my[k]; return 0; } 运行后的输出结果是( )。A.1210B.1100C.1234D.输出结果不确定
下列程序的输出结果为( )。 #includeiostream.h classTestClass { public: TestClass(){val++;} static,intval; }; intTestClass::val=0; voidmain() { TestClasscsl; coutcsl.val""; TestClasscs2; TestClasscs3,cs4; coutcs2.valendl; }A.O3B.13C.14D.24
下面程序的输出结果为()。includeclass CStatic{public:CStatic() {val++;}static i 下面程序的输出结果为( )。#include<iostream.h>class CStatic{public:CStatic() {val++;}static int val;};int CStatic::val=0;void main(){CStatic cs1;cout<<cs1.val<< "";CStatic cs2;CStatic cs3, cs4;cout<<cs val<<end1;}A.14B.24C.34D.54
有如下程序:includeusing namespace std;class MyClass{public: MyClass(int x):val( 有如下程序: #include<iostream> using namespace std; class MyClass{ public: MyClass(int x):val(x) {} void Print() const {cout<<"const:val="<<val<<'\t';} void Print() {cout<<"val="<<val<<'t';} private: int val; }; int main() const MyClass obj1(10); MyClass obi2(20); obj1.Print(); obj2.Print(); return 0; } 程序的输出结果是( )。A.val=10 const:val=20B.const:val=10 const:val=20C.const:val=10 val=20D.val=10 val=20