题目内容

Static methods have access to which of the following (Choose all that apply.)

A. Static variables
B. Instance variables
C. Standard methods
D. Static Methods
E. None of the above

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Given the class FloatNumber and method addHalf, what is the output if the following code segment is executed public class FloatNumber { float number; public FloatNumber(float number { this.number = number; } floatgetNumber( { retum number; } void setNumber(float number) { this.number = number; } } void addHalf(FloatNumber value) { value.setNumber(value.getNumber()+(value.getNumber()/2f)); } /* CODE SEGMENT */ FloatNumber value = new FloatNumber(1f); addHalf(value); System.out.println("value ="+value.getNumber());

A. value = 1
B. value = 1.5
C. value = 2
D. value = 0

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You need to create a class to store information about books contained in a library. What variable scope is best suited for the variable that will store the title of a book

A. Local variable
B. Static variable
C. Global variable
D. Method parameter
E. Instance variable

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A method needs to be created that accepts an array of floats as an argument and does not return any variables. The method should be called setPoints. Which of the following method declarations is correct

A. setPoints(float[] points) {...}
B. void setPoints(float points) {...}
C. void setPoints(float[] points) {...}
D. float setPoints(float[] points) {...}

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What is the effect of the following line of code super()

A. The method that is overridden by the current method is called.
B. The parent class’s constructor is called.
C. The current class’s constructor is called.
D. The child class’s constructor is called
E. The current method is recursively called.

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Static methods have access to which of the following (Choose all that apply.)

A. Static variables B. Instance variables C. Standard methods D. Static Methods E. None of the above

You need to create a class to store information about books contained in a library. What variable scope is best suited for the variable that will store the title of a book

A method needs to be created that accepts an array of floats as an argument and does not return any variables. The method should be called setPoints. Which of the following method declarations is correct

What is the effect of the following line of code super()

A. Static variables
B. Instance variables
C. Standard methods
D. Static Methods
E. None of the above