首页/ 题库 / [单选题]下列程序的输出结果为( )。 publi的答案

下列程序的输出结果为( )。 public class Reentrant { public synchronized void a() { b(); System.out.println("here I am, in a()"); } public synchronized void b() { System.out.println("here I am, in b()"); } public static void main(String args[ ]) { Reentrant r=new Reentrant(); r.a(); } }

单选题
2021-07-17 20:19
A、仅纵筋达到屈服强度
查看答案

正确答案
B

试题解析

标签:
感兴趣题目
如下程序的输出结果是 #include<iostream> using namespace std; class A{ public: A( ){cout<<"A";} }; class B{public:B( ){cout<<"B";}}; class C:public A{ B b; public: C( ){cout<<"C";} }; int main( ){C obj;return 0;}
有如下程序: #include<iostream> using namespace std; class A { public: A(){cout<<"A";} }; class B<public:B(){cout<<"B";)); class C:public A { B b; public: C(){cout<<"C";} }; int main(){Cobj;retum 0;} 执行后的输出结果是
下面程序的运行结果为 #include<iostream.h> class A { public: A( ){cout<<"1";} ~A( ){cout<<"2";} }; class B:public A { public: B( ){cout<"3";} ~B( ){cout<<"4";} }; void main( ) { B
下面程序的运行结果为 #include<iostream,h> class A { public: A(){cout<<"1";} ~A(){cout<<"2";} }; Class B:public A { public: B(){cout<<"3";} ~B(){cout<<"4";} }; void main() { B b; }
下面程序的运行结果为( )。 #include <iostream> using namespace std; class A{ public: A(){cout<<" ";} ~A(){cout<<" ";} } class B:public A{ public: B(){cout<<" ";} ~B(){cout<<" ";} } void main(){ B b; }
下面程序的结果是 #include<iostream.h> class A { public: A( ) {cout<<"construtA"<<endl;} virtual~A( ) {cout<<"destructA"<<endl;}}; class B:public A {}; class C:public A {}; c
下面程序的输出结果是( )。 #include <iostream> using namespace std; class A { public: A( ) {cout<<"A";} } class B { public: B() {coat<<"B" ;} } class C: public A { public: B b; C() {cout<<"C";} } void mian(){ C c; }
在下列程序的横线处填上适当的内容,使程序执行后的输出结果为ABCD。 #include<iostream> using namespace std; class A { public:A(){cout<<‘A’;} }; Class B: { public:B(){cout<<‘B’;} }; class C:virtual public A { public:C(){cout<<‘C’;} }; class D:p
下面程序输出的结果为 #include"iostream.h” class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASS B"<<endl;} ~B(){} }; void main() { A*p; p=new B;
下面程序输出的结果为( )。 #inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}
有如下程序: #include<iostream> using namespace std; classA { public: A(){cout<<"A";} }; class B{public:B(){cout<<"B";}}; class C:public A { B b; public: C(){cout<<"C";} }; int main(){C obj;return 0;} 执行后的输出结果是( )
下面程序输出的结果为 #include"iostream.h" class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASSB"<<endl;} ~B() {} }; void main() { A * p; p=new B; B *q; q=new B; }
相关题目
下列程序的执行结果是 ( ) public class Testbb { public static void main(String args[]) { System.out.println(5/2.5); } }
下列程序的执行结果是 public class Testbb { public static void main(String args[ ]) { System.out.println(5/2.5); } }
下列程序的执行结果是( )。 public class Test { public static void main(String args[]) { System.out.println(5/2); } }
下面程序的运行结果为( )。 #include <iostream> using namespace std; class A{ public: A(){cout<<" ";} ~A(){cout<<" ";} } class B:public A{ public: B(){cout<<" ";} ~B(){cout<<" ";} } void main(){ B b; }
下面程序的运行结果为 #include<iostream.h> class A { public: A( ){cout<<"1";} ~A( ){cout<<"2";} }; class B:public A { public: B( ){cout<"3";} ~B( ){cout<<"4";} }; void main( ) { B
下面程序的运行结果为 #include<iostream,h> class A { public: A(){cout<<"1";} ~A(){cout<<"2";} }; Class B:public A { public: B(){cout<<"3";} ~B(){cout<<"4";} }; void main() { B b; }
下列程序的输出结果为( )。 public class Reentrant { public synchronized void a() { b(); System.out.println("here I am, in a()"); } public synchronized void b() { System.out.println("here I am, in b()"); } public static void main(String args[ ]) { Reentrant r=new Reentrant(); r.a(); } }
下面程序的结果是 #include<iostream.h> class A { public: A(){cout<<"construtA" <<endl;} virtual ~A() {cout << "destructA" <<endl;}}; class B:public A { }; class C:public A { }; class D:public B,public C { }; void main() { Dd;}
Test.java程序代码如下: public class Test{ public static void main(String[] args){ System.out.println(args[1]); } } 以上程序编译后用java Test 2 3 4 5运行的输出结果是什么? ( )
下列程序的输出结果为( )。 public class Reentrant { public synchronized void a() { b(); System.out.println("here I am, in a()"); } public synchronized void b() { System.out.println("here I am, in b()"); } public static void main(String args[ ]) { Reentrant r=new Reentrant(); r.a(); } }
若有以下程序: #include <iostream> using namespace std; class A { protected: int a; public: A() { a=10; } }; class A1 : public A { public: A1() { a=a+1; } }; class A2 : public A { public: A2 () { a=a+2; } }; class B : public A1,public A2 { public: B(){} void print() { cout<<a<<end1; } }; int main ( ) { B obj; obj.print(); return 0; } 程序运行后的输出结果是( )。
下面程序的结果是 #include<iostream.h> class A { public: A(){cout<<"construtA" <<endl;} virtual ~A() {cout << "destructA" <<endl;}}; class B:public A { }; class C:public A { }; class D:public B,public C { }; void main() { Dd;}
下列程序的输出结果是 interface Inter{ public final static int A=100; } class My implements Inter{ public static void main (String args[ ]) {System.out.println(A) ; }
阅读下面程序 public class Cycle { public static void main(String[] args) { System.out.println(args[0]); } } 在命令行输入java Cycle one two,该程序输出的结果是
有如下程序: #include <iostream.h> class x { protected: int a; public: x() { a=1; } }; class x1 : virtual public x { public: x1() { a+=1; cout<<a; } }; class x2 : virtual public x { public: x2() { a+=2; cout<<a; } }; class y : public xl,public x2 { public: y() { cout<<a<<end1; } }; int main() { y obj; return O; } 该程序运行后的输出结果是( )。
若有以下程序:# include <iostream>using namespace std;class Base{public: Base ( ) { x=0; } int x;};class Derived1 : virtual public Base{public: Derived1 ( ) { x=10; }}; class Derived2 : virtual public Base{public: Derived2 () { x=20; }};class Derived : public Derived1,protected Derived2{ };int main(){ Derived obj; cout<<obj.x<<end1; return 0;} 该程序运行后的输出结果是
若有以下程序: #include <iostream> using namespace std; class Base { public: Base ( ) { x=0; } int x; }; class Derivedl : virtual public Base { public: Derivedl () { x=10; } }; class Derived2 : virtual public Base { public: Derived2 () { x=20; } }; class Derived : public Derivedl,protected Derived2{ }; int main ( ) { Derived obj; cout<<obj .x<<end1; return 0; } 该程序运行后的输出结果是 ( )。
若有以下程序: #include <iostream> using namespace std; class Base { public: Base() { x=0; } int x; }; class Derivedl : virtual public Base { public: Derivedl() { x=10; } }; class Derived2 : virtual public Base { public: Derived2() { x=20; } }; class Derived : public Derivedl,protected Derived2 { }; int main () { Derived obj; cout<<obj.x<<end1; return 0; } 该程序运行后的输出结果是( )。
有如下程序: #include<iostream> using namespace std; class Base{ public: Base(int x=0){cout<<x;} }; class Derived:public Base{ public: Derived(int x=0){cout<<x;} private: Base val; }; int main( ){ Derived d(1); return 0; } 程序的输出结果是
有如下程序: #include <iostream> using namespace std; class Base { public: Base(int x=0) { cout<<x; } } class Derived: public Base{ public: Derived(int x=0) { cout<<x; } private: Base val; }; int main() { Derived d(1); return 0; }程序的输出结果是
广告位招租WX:84302438

免费的网站请分享给朋友吧