定义一个包含3个元素的类Circle的对象数组x,下列哪种写法是错误的?( ) A: Circle x[ ] = new Circle[3]; B: Circle [ ]x = new Circle[3]; C: Circle x[3] = new Cirlce( ); D: Circle x[ ] = { new Circle(), new Circle(), new Circle() };
定义一个包含3个元素的类Circle的对象数组x,下列哪种写法是错误的?( ) A: Circle x[ ] = new Circle[3]; B: Circle [ ]x = new Circle[3]; C: Circle x[3] = new Cirlce( ); D: Circle x[ ] = { new Circle(), new Circle(), new Circle() };
假设类Circle只定义了一个"Circle(int x){......}"形式的构造方法,则下列新建对象语句中错误的是( )。 A: Circle obj = new Circle(10); B: Circle obj; obj = new Circle(10); C: Circle obj = new Circle(); D: Circle obj = new Circle(10/3);
假设类Circle只定义了一个"Circle(int x){......}"形式的构造方法,则下列新建对象语句中错误的是( )。 A: Circle obj = new Circle(10); B: Circle obj; obj = new Circle(10); C: Circle obj = new Circle(); D: Circle obj = new Circle(10/3);
Which circle does Korean English belong to? A: Inner Circle B: Outer Circle C: Expanding Circle D: None of the Circles
Which circle does Korean English belong to? A: Inner Circle B: Outer Circle C: Expanding Circle D: None of the Circles
设Circle为已定义的类名,下列声明A类的对象c1的语句中正确的是( )。 A: float Circle c1; B: public Circle c1=Circle (); C: Circle c1=new int(); D: Circle c1=new Circle ();
设Circle为已定义的类名,下列声明A类的对象c1的语句中正确的是( )。 A: float Circle c1; B: public Circle c1=Circle (); C: Circle c1=new int(); D: Circle c1=new Circle ();
使用turtle的circle函数,画半径100像素的半圆,以下正确的是 A: circle(100,180) B: circle(180,100) C: circle(100) D: circle(180)
使用turtle的circle函数,画半径100像素的半圆,以下正确的是 A: circle(100,180) B: circle(180,100) C: circle(100) D: circle(180)
Along an involute gear profile, the pressure angle on ___ equals to zero. A: Base circle B: Pitch circle C: Reference circle D: Dedendum circle
Along an involute gear profile, the pressure angle on ___ equals to zero. A: Base circle B: Pitch circle C: Reference circle D: Dedendum circle
需要在代码中引入circle包的area()函数,应该使用( )。 A: import circle and area B: from circle import area C: import circle's area D: import area from circle
需要在代码中引入circle包的area()函数,应该使用( )。 A: import circle and area B: from circle import area C: import circle's area D: import area from circle
The author believes that a vicious circle can turn into a virtuous circle when ________.
The author believes that a vicious circle can turn into a virtuous circle when ________.
对于:Circle x = new Circle(); 下列说法最正确
对于:Circle x = new Circle(); 下列说法最正确
关于turtle绘画库,下列选项中输出结果为半圆的是() A: circle(90) B: circle(180) C: circle(180,180) D: circle(180,steps=3)
关于turtle绘画库,下列选项中输出结果为半圆的是() A: circle(90) B: circle(180) C: circle(180,180) D: circle(180,steps=3)