题目内容

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

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()

What is the output of the following code segment ArrayList ＜String＞ sampleArrayList = new ArrayList ＜String＞(); sampleArrayList.add ("One"); sampleArrayList.add ("Two"); sampleArrayList.add (1, "Three"); for(String s : sampleArrayList) { System.out.print(s+" "); }

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