下面程序段的输出结果为 public class Test { int a, b; Test() { a=100; b=200; } Test(int x,int y) { a=x; b=y; } public static void main(String args[]) { Test Obj1=new Test(12,45); System.out.println("a=+Obj1.a+" b="+Obj1.B) ; Test Obj2=new Test(); System.out.println("="+Obja+" b="+ObjB) ; } }A.a=100 b=200 a=12 b=45B.a=12 b=45 a=100 b=200C.a=12 b=200 a=100 b=45D.a=100 b=45 a=12 b=200

下面程序段的输出结果为 public class Test { int a, b; Test() { a=100; b=200; } Test(int x,int y) { a=x; b=y; } public static void main(String args[]) { Test Obj1=new Test(12,45); System.out.println("a=+Obj1.a+" b="+Obj1.B) ; Test Obj2=new Test(); System.out.println("="+Obja+" b="+ObjB) ; } }

A.a=100 b=200 a=12 b=45

B.a=12 b=45 a=100 b=200

C.a=12 b=200 a=100 b=45

D.a=100 b=45 a=12 b=200


相关考题:

下面程序段的输出结果是( )。 public class Test { public static void main(String args[ ]){ int x,y; x=(int)Math.sqrt(5)/2+(int)Math.random()*5/2; y=(int)Math.sqrt(3)/2+(int)Math.random()*3/2; if (x>y) System.out.println("x>y"); else if (x==y) System.out.println("x=y"); else System.out.println("x<y"); } }A.x>yB.x=yC.x<yD.编译错误

( 28 )有如下程序#include iostreamusing namespace std;class Test{public:Test(){ }Test(const Test t) {cout1;}};Test fun(Test u) {Test t=u; return t;}int main(){Test x,y; x=fun(y); return 0;}运行这个程序的输出结果是A )无输出B ) 1C ) 11D ) 111

下面程序段的输出结果为 public class Test { int a,b; Test() { a=100; b=200; } Test(int x,int y) { a=x; b=y; } public static void main(String args[]) { Test bjl=new Test(12,45); System.out.println("a="+objl.a+" b="+Objl.B); Test Obj2=new Test(); System.out.println("a="+Obj2.a+" b="+Obj2.B); } }A.a=100 b=200 a=12 b=45B.a=12 b=45 a=100 b=200C.a=12 b=200 a=100 b=45D.a=100 b=45 a=12 b=200

执行下面程序段,屏幕上将输出( )。 public class Test { private int x=10,y=20; public Test (int x,int y) { System.out.println (x+this.x); System.out.println (y+y); } public static void main (String[] args) { Testt= new Test(30,50); } }A.无输出B.20 40C.40 100D.40 70

有如下程序:includeusing namespace std;class test{private: int a;public: test( 有如下程序:#include<iostream>using namespace std;class test{private: int a;public: test(){cout<<"constructor"<<endl;} test(int a){cout<<a<<endl;} test(const test_test) { a=_test.a; cout<<"copy constructor"<<en+dl; } ~test(){cout<<"destructor"<<endl;}};int main(){ test A(3); rerun 0;}运行时输出的结果是A.3B.constructor destructorC.copy constructor destructorD.3 destructor

有如下程序: #include using namespace std; Class Test{ public: Test(){} Test(const Testt){cout1;} ); Test fun(Test u){Test t=u;retum t;} int main(){Test X,y;x=fun(y);retum 0;} 运行这个程序的输出结果是( )。A.无输出B.1C.11D.111

根据输出结果填空完成下面程序。 include class Test { private: static int val; in 根据输出结果填空完成下面程序。include<iostream.h>class Test{private:static int val;int a;public:static int func( );void sfunc(Test r);};______//初始化静态变量valint Test::func( ){return val++;}void Test::sfunc(Test r){r.a=125;cout<<"Result3="<<r.a;}void main( ){cout<<"Resultl="<<Test::func( )<<endl;Test A;cout<<"Result2="<<A.fune( )<<endl;A. sfunc(A);}输出结果为:Result1=201Result2=202Result3=125

在如下源代码文件Test.java中, 哪个是正确的类定义?() A.public class test { public int x = 0; public test(int x) { this.x = x; } }B.public class Test{ public int x=0; public Test(int x) { this.x = x; } }C.public class Test extends T1, T2 { public int x = 0; public Test (int x) { this.x = x; } }D.public class

下面程序段的输出结果是( )。 public class Test{ public static void main(String args[]){ int X,y; x=(int)Math.sqrt(5)/2+(int)Math.random*5/2; y=(int)Math.sqrt(3)/2+(int)Math.random*3/2; if(xv) System.OUt.println("xy"); elseif(x= =y) System.out.println("x=Y"); else System.out.println("xy"): } }A.xyB.x=YC.xyD.编译错误

下列程序的运行结果是【 】。 include class test { private: int num; public: tes 下列程序的运行结果是【 】。include <iostream. h>class test{private:int num;public:test()int TEST() {return num+100;}~test()};test::test(){num=0;}test::~test(){cout<<"Destructor is active"<<endl;}void main(){test x[3]cout<<x[1]. TEST()<<endl;}

完成下列类的构造函数,初始化语句为______。 include class Test { private: int x,y 完成下列类的构造函数,初始化语句为______。include<iostream.h>class Test{private:int x,y;public:void Test(int initx,int inity){______}void printx( ){cout<<x<<"-"<<y<<"="<<x-y;}};void main( ){Test x(300,200);x.printx( );}

如下程序的输出结果是includeusing namespace std;class Test{public:Test( ){n+=2;} 如下程序的输出结果是 #include<iostream> using namespace std; class Test{ public: Test( ){n+=2;} ~Test( ){n-=3;} static int getNum( ){return n;} private: static int n; }; int Test::n=1; int main( ){ Test*P=new Test: delete P; cout<<"n="<<Test::getNum( )<<endl; return 0; }A.n=0B.n=1C.n=2D. n=3

下面程序段的输出结果为 package test; public class ClassA { int x=20; static int y=6; public static void main(String args[]) { ClassB b=new ClassB(); b.go(10); System.out.println("x="+b.x); } } class ClassB { int x; void go(int y) { ClassA a=new ClassA(); x=a.y; } }A.x=10B.x=20C.x=6D.编译不通过

在下列源代码文件Test.java中,正确定义类的代码是( )。A.pblic class test { public int x=0; public test(int x) { this. x=x;} }B.public class Test { public int x=0; public Test(int x) { this. x=x;} }C.public class Test extends T1,T2{ public int x = 0; public Test(int x){ this. x = x; } }D.protected class Test extends T2{ public int x = 0; public Test(int x) { this. x = x; } }

下面程序片段的执行中,说法正确的是( )。 public class Test { public static void main (String args[]) { byte y=20; int i=y; int x=100; y=x; System.out.println(y); } }A.输出y的值为100B.第4行错误C.输出y的值为20D.第6行错误

执行下面程序,显示的结果为( )。 public class Test { public static void main (String args[]) { Test t=newTest(); System.out.println (Loverload ("2","3")); } int overload (intx,int y) {return x+y;} String overload (String x,Stnng y){return x+y;} }A.2B.3C.5D.23

下列程序段的输出结果是______。 public class Test{ int a,b; Test( ){ a=100; b=200; } Test(int x,int y){ a=X; b=y; } public static void main(String args[ ]){ Test Obj1=new Test(12,45); System.out.println("a="+Obj1.a+"b="+Obj1.B); Test Obj2=new Test( ); System.out.println("a="+Obj1.a+"b="+Obj1.B); } }A.a=100 b=200 a=12 b=45B.a=12 b=45 a=100 b=200C.a=12 b=200 a=100 b=45D.a=100 b=45 a=12 b=200

下面程序段的输出结果为( )。 package test; public class ClassA { int x=20: static int y=6; public static void main(String args[]) { ClassB b=new ClassB; go(10); System.out.println("x="+b.x); } } class ClassB { int X; void go(int y) { ClassA a=new ClassA; x=a.Y ; } }A.x=10B.x=20C.x=6D.编译不通过

3下面程序段的输出结果为( )。public class Test{ int a, b; Test() { a=100; b=200; } Test(int x, int y) { a=x; b=y; } public static void main(String args[]) { Test Obj 1 = new Test(12,45 ); System.out.println("a="+Obja+" b="+Objb); Test Obj2 = new Test(); System.out.println("a="+Obja+" b="+Objb); }}A.a=100 b=200 a=12 b=45B.a=12 b=45 a=100 b=200C.a=12 b=200 a=100 b=45D.a=100 b=45 a=12 b=200

下面程序段的输出结果是______。 public class Test{ public static void main(String args[ ]){ int x,y; x=(int)Math.sqrt(5/2)+(int)Math.random( )*5/2; y=(int)Math.sqrt(3/2)+(int)Math.random( )*3/2; if(x>y) System.out.println("x>y"); else if(x==y) System.out.println("x=y"); else System.out.println("x<y"); } }A.x>yB.x=yC.x<yD.编译错误

下面程序段的输出结果为 package test; public class A { int x=20; static int y=6; public static void main(String args[]) { Class B b=new Class B(); b.go(10); System.out.println(”x=”+b.x); } } class Class B { int x; void go(int y) { ClassA a=new ClassA(); x=a.y; } }A.x=10B.x=20C.x=6D.编译不通过

有如下程序 public class Test { int a,b; Test ( ) { a = 100; b = 200; } Test(int x, int y) { a = x; b = y; } public static void main(String args[]) { Test Obj1 = new Test(12,45); System.out.println("a = "Obj1.a+" b = "+ObB) ; Test Obj1 = new Test(); System.out.println("a = "Obj1.a+" b = "+Obj1.B) ; } } 程序的运行结果为( )。A.a=100 b=200 a=12 b=45B.a=12 b=45 a=100 b=200C.a=12 b=200 a=100 b=45D.a=100 b=45 a=12 b=200

在下列源代码文件Test.java中, ( )是正确的类定义。A.public class test{B.public class Test{ public int x=0;public int x=0; public test (intx) public Test (int x){ {this.x=x; this.x=x;} }} }C.public class Test extends T1,T2{D.protected class Test extends T2{ public int=0;public int x=0; public Test(int x){Public Test (int x){ this.x=x;this.x=x: }} }}

下面程序输出的结果是( )。 include using namespace std; int test(int n1 下面程序输出的结果是( )。 #include<iostream> using namespace std; int test(int n1,int n2) {return n1 +n2;} float test (int f1,float f2){return f1-f2;} float test(float x,float y){return(x+y)/2;} float test(float x,int y){return(x+y)*2;} void main(){ int a1=10; float a2=2.5f; cout<<test(a1,a2); }A.12.5B.7.5C.6.25D.25

下面程序段的输出结果为 package test; public class Class A { int x=20; static int y=6; public static void main(String args[]) { Class B b=new Class B(); b.go(10); System.out.println("x"+b.x); } } class ClassB { int x; void go(int y) { ClassA a=new ClassA(); x=a.y; } }A.x=10B.x-20C.x=6D.编译不通过

在下列源代码文件Test.java中,哪个选项是正确的类定义? ( )A.public class test { public int x=0; public test(int x) { this.x=x; } }B.public class Test { public int x=0; public Test(int x) { this.x=x; } }C.public class Test extends Ti,T2 { public int x=0; public Test(int x) { this.x=x; } }D.protected class Test extends T2 { public int x=0; public Test(int x) { this.x=x; } }

以下程序调试结果为:public class Test {int m=5;public void some(int x) {m=x;}public static void main(String args []) {new Demo().some(7);}}class Demo extends Test {int m=8;public void some(int x) {super.some(x);System.out.println(m);}}A.5B.8C.7D.无任何输出E.编译错误