Consider the following class definition.public class Rectangle
{
Private double length;
Private double width; public Rectangle()
{
Length = 0;
Width = 0;
} public Rectangle(double l, double w)
{
Length = l;
Width = w;
} public void set(double l, double w)
{
Length = l;
Width = w;
} public void print()
{
System.out.println(length + " " + width) ;
} public double area()
{
Return length * width;
} public double perimeter()
{
Return 2 * length + 2 * width;
}
}Which of the following statements correctly instantiates the Rectangle object myRectangle?
(i) myRectangle = new Rectangle(12.5, 6) ;
(ii) Rectangle myRectangle = new Rectangle(12.5, 6) ;
(iii) class Rectangle myRectangle = new Rectangle(12.5, 6) ;
A) Only (i)
B) Only (ii)
C) Only (iii)
D) Both (ii) and (iii)
Correct Answer:
Verified
Q24: The abstract data type specifies the logical
Q26: In Java, the reference this is used
Q29: A mutator method of a class changes
Q30: MysteryClass
-first: int
-second: double;
+MysteryClass()
+MysteryClass(int)
+MysteryClass(double);
+MysteryClass(int, double)
+setData(int, double): void
+getFirst(): int
+getSecond():
Q31: MysteryClass
-first: int
-second: double;
+MysteryClass()
+MysteryClass(int)
+MysteryClass(double);
+MysteryClass(int, double)
+setData(int, double): void
+getFirst(): int
+getSecond():
Q32: Consider the following class definition.public class Cylinder
{
Private
Q34: Consider the following statements.public class Circle
{
Private double
Q36: Which of the following class definitions is
Q37: MysteryClass
-first: int
-second: double;
+MysteryClass()
+MysteryClass(int)
+MysteryClass(double);
+MysteryClass(int, double)
+setData(int, double): void
+getFirst(): int
+getSecond():
Q40: Which of the following is used to
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