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如果执行以下代码,会输出什么值: from traits.api import HasTraits, Color class Circle(HasTraits): color = Color c = Circle() c.color = 'blue' print(c.color.getRgb())
A.(255,0,0,255)
B.(0,255,0,255)
C.(0,0,255,255)
D.(255,255,255,255)
参考答案和解析
输出结果如下: 产生零除异常! 在执行finally块中的语句…
更多 “如果执行以下代码,会输出什么值: from traits.api import HasTraits, Color class Circle(HasTraits): color = Color c = Circle() c.color = 'blue' print(c.color.getRgb())A.(255,0,0,255)B.(0,255,0,255)C.(0,0,255,255)D.(255,255,255,255)” 相关考题
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现有: 1. abstract class Color { 2.protected abstract String getRGB(); 3. } 4. 5. public class Blue extends Color { 6. //insert code here 7. } 和四个声明: public String getRGB() { return "blue"; } String getRGB() { return "blue"; ) private String getRGB() { return "blue"; } protected String getRGB() { return "blue"; ) 分别插入到第6行,有几个可以通过编译?() A、 0B、 1C、 2D、 3
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单选题public class Ball { public enum Color { RED, GREEN, BLUE }; public void foo() { // insert code here { System.out.println(c); } } } Which code inserted at line 14 causes the foo method to print RED, GREEN, and BLUE?()A
for( Color c : Color.values())B
for( Color c = RED; c = BLUE; c++)C
for( Color c; c.hasNext() ; c.next())D
for( Color c = Color[0]; c = Color[2]; c++)E
for( Color c = Color.RED; c = Color.BLUE; c++)
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==B
equalsC
equals ==D
无结果输出
考题
单选题以下哪段代码是获取控件内文本的颜色()。A
var color = aa.style.colorB
aa.style.color = ‘blue’C
var width = aa.borderWidthD
var style = aa.style.borderBottomStyle
考题
单选题现自: 1. interface Color { } 2. interface Weight { } 3. //insert code here 和以下足六个声明: class Boat extends Color, extends Weight { } class Boat extends Color and Weight { } class Boat extends Color, Weight { } class Boat implements Color, implements Weight { } class Boat implements Color and Weight { } class Boat implements Color, Weight { } 分别插入到第3行,有多少行可以编译? ()A
0B
1C
2D
3
考题
多选题package sun.scjp; public enum Color { RED, GREEN, BLUE } package sun.beta; // insert code here public class Beta { Color g = GREEN; public static void main( String[] argv) { System.out.println( GREEN); } } The class Beta and the enum Color are in different packages. Which two code fragments, inserted individually at line 2 of the Beta declaration, will allow this code to compile?()Aimport sun.scjp.Color.*;Bimport static sun.scjp.Color.*;Cimport sun.scjp.Color; import static sun.scjp.Color.*;Dimport sun.scjp.*; import static sun.scjp.Color.*;Eimport sun.scjp.Color; import static sun.scjp.Color.GREEN;
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