以下程序段输出结果为( )。 class test_1 { public static void main(String args[]) { int x=0; boolean bl,b2,b3,b4; b1=b2=b3=b4=true; x=(b1|b2b3^b4)?x++:--x; System.out.println(x); } }A.1B.0C.2D.3
以下程序段输出结果为( )。 class test_1 { public static void main(String args[]) { int x=0; boolean bl,b2,b3,b4; b1=b2=b3=b4=true; x=(b1|b2&b3^b4)?x++:--x; System.out.println(x); } }
A.1
B.0
C.2
D.3
相关考题:
下列程序段运行的结果为 public class Test{ static void print(String s,int i){ System.out.println("String:"+s+",int:"+i); } static void print(int i, String s){ System.out.println("int:"+i+",String:"+s); } public static void main(String [] args){ print(99,"Int first"); } }A.String:Stringfirst,int:11B.int:11,String:Int firstC.String:String first,int:99D.int:99,String:int first
下面程序段中的错误语句是 ______。 class M{ int i; public: void ~AA(int); AA *p; void AA(); void AA(int x){i=x;}; };A.AA *p;B.void ~AA(int);C.void AA(int);D.void AA(int x){i=x;};
若有以下程序:include using namespace std;class Base {public:Base() { x=0; } int 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A.20B.30C.10D.0
关于下面程序,( )的结论是正确。publicclassJ_Test{publicstaticvoidmain(String[]args){int[]a=newint[5];boolean[]b=newboolean[5];System.out.println(a[4]);System.out.println(b[5]);}}A、程序可以通过编译并正常运行,结果输出“0false”B、程序可以通过编译并正常运行,结果输出“1true”C、程序无法通过编译D、程序可以通过编译,但无法正常运行
阅读以下说明和Java程序,填写程序中的空(1)~(6),将解答写入答题纸的对应栏内。【说明】以下Java代码实现一个简单绘图工具,绘制不同形状以及不同颜色的图形。部分接口、类及其关系如图5-1所示。【Java代码】interface?DrawCircle?{? //绘制圆形 public(1) ;}class?RedCircle?implements?DrawCircle?{? ?//绘制红色圆形???????public?void?drawCircle(int?radius,intx,?int?y)??{????????????System.out.println("Drawing?Circle[red,radius:"?+?radius?+",x:"?+?x?+?",y:"?+y+?"]");???????}}class?GreenCircle?implements?DrawCircle?{????//绘制绿色圆形??????public?void?drawCircle(int?radius,?int?x,int?y)?{???????????System.out.println("Drawing?Circle[green,radius:"?+radius+",x:?"?+x+?",y:?"?+y+?"]");??????}}abstract?class?Shape?{????//形状? protected? ? (2)???;? ? public?Shape(DrawCircle?drawCircle)?{? ?this.drawCircle=?drawCircle;? ? ? public?abstract?void?draw();}class?Circle?extends?Shape?{? //圆形? ?private?int?x,y,radius;? public?Circle(int?x,int?y,intradius,DrawCircle?drawCircle)?{? ?(3)???;? this.x?=?x;? ? ? this.y?=?y;? ?this.radius?=radius;? }? ? ?public?void?draw()?{? ? drawCircle.? ?(4)? ?;? ? ? }}public?class?DrawCircleMain?{? public?static?void?main(String[]?args)?{? Shape?redCircle=new?Circle(?100,100,10,? (5) );//绘制红色圆形? Shape?greenCircle=new?Circle(200,200,10,(6) );//绘制绿色圆形? ?redCircle.draw(); greenCircle.draw();? ?}}
阅读下列说明和C++代码,填写程序中的空(1)~(6),将解答写入答题纸的对应栏内。【说明】以下C++代码实现一个简单绘图工具,绘制不同形状以及不同颜色的图形。部分类及其关系如图6-1所示。【C++代码】#include?#include?using?namespace?std;class?DrawCircle?{??????//绘制圆形,抽象类? ? ? public: (1);//定义参数为?int?radius,?int?x,?inty? ?virtual~DrawCircle()?{?}};class?RedCircle:public?DrawCircle?{????//绘制红色圆形? ? ? ? public: void?drawCircle(intradius,?int?x,?int?y)?{cout??drawCircle?=?drawCircle;? }? ?virtual~shape()?{?}? public:? ?virtual?void?draw()?=?0;};class?Circle:public?Shape?{????//圆形? ? private:? ? ?int?x,y,radius;? ? public:? Circle(int?x,inty,int?radius,DrawCircle?*drawCircle)? (3)? {? this->x?=?x;? ?this->y?=?y;? ? this->radius?=?radius; }? ? ? public:? void?draw(){? drawCircle?-> (4); }};int?main(){Shape?*redCirclenew?Circle(100,100,10,????(5)????);//绘制红色圆形? Shape?*greenCircle=new?Circle(100,100,10, (6)??);//绘制绿色圆形redCircle >draw();? ?greenCircle?->draw();? ?return?0;}
00330038003000301585067361821下列程序段执行结果是___________。 x = 1 print(type(x)) x = 1.0 print(type(x)) x = '1.0' print(type(x)A.<class 'int'> <class 'float'> <class 'str'>B.<class 'float'> <class 'int'> <class 'str'>C.<class 'str'> <class 'float'> <class 'int'>D.<class 'str'> <class 'int'> <class 'float'>
下列程序段执行结果是___________。 x = 1 print(type(x)) x = 1.0 print(type(x)) x = '1.0' print(type(x)A.<class 'int'> <class 'float'> <class 'str'>B.<class 'float'> <class 'int'> <class 'str'>C.<class 'str'> <class 'float'> <class 'int'>D.<class 'str'> <class 'int'> <class 'float'>
59、以下程序的输出结果为:()。 void main() { void increment(void); increment(); increment(); increment(); } void increment(void) { int x=0; x++; printf(“%d ”,x); }
14、下面程序段执行后的输出是 。 public class Array____Ex { public static void main(String[] args) { int[] a=new int[1]; modify(a); System.out.println("a[0]="+a[0]); } public static void modify(int[] a) { a[0]++; } }