What is the result?()
A、 2
B、 3
C、 4
D、 6
E、 7
F、 Compilation fails.
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A programmer is designing a class to encapsulate the information about an inventory item. A JavaBeans component is needed to do this. The Inventoryltem class has private instance variables to store the item information: 10. private int itemId; 11. private String name; 12. private String description; Which method signature follows the JavaBeans naming standards for modifying the itemld instance variable?()
A、 itemID(int itemId)
B、 update(int itemId)
C、 setItemId(int itemId)
D、 mutateItemId(int itemId)
E、 updateItemID(int itemId)
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Which two are true?()
AThe output is mm.
BThe output is mc.
CComponent is-a Meter.
DComponent has-a Meter.
EDeluxeThingy is-a Component.
FDeluxeThingy has-a Component.
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(1)将零件图定义成装配图所需得块;(2)将图块并入一个文件,拼成装配图并作必要的修改;(3)标注必要的尺寸;(4)为零件图编号,填写明细表格和标题栏。以上是在计算机上由零件图拼画装配图的操作,其正确的画图顺序是()
A、1-2-3-4
B、3-2-1-4
C、4-3-2-1
D、1-3-2-4
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public class WhileFoo { public static void main (String args) { int x= 1, y = 6; while (y--) {x--;} system.out.printIn(“x=” + x “y =” + y); } } What is the result?()
A、 The output is x = 6 y = 0
B、 The output is x = 7 y = 0
C、 The output is x = 6 y = -1
D、 The output is x = 7 y = -1
E、 Compilation will fail.
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public class ConstOver { public ConstOver (int x, int y, int z) { } } Which two overload the ConstOver constructor? ()
AConstOver(){}
BProtected int ConstOver (){}
CPrivate ConstOver (int z, int y, byte x) {}
DPublic Object ConstOver (int x, int y, int z) {}
EPublic void ConstOver (byte x, byte y, byte z){}