How to correctly call the following method (see picture)?

double hours = calculateHours(2, 8.0);

Please see the following method call. Which method definition begin is NOT correct?

private static int startCourse(int students)

How do you correctly define a multidimensional array?

String[][] table = new String[10][10];

Consider the following code in the picture, which next line is NOT possible (throws Exception)

System.out.println(myNumber[12]);

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Fontys Venlo - Programming Concepts - week 6

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Answers

1
How to correctly call the following method (see picture)?
double hours = calculateHours(2, 8.0);
hoursPerDay = calculateHours(8.0, 2);
int hours = calculateHours(2, 8.0);
double calculateHours();
2
What is NOT a correct method definition named printSomething in Java?
public void printSomething(String something)
public void print(something)
public String printSomething(int i)
public String printSomething()
3
See the following picture, what is the return value type?
void
int
static
printLine
4
How is it called, when methods have the same name but different parameters? (see picture)
Parameter polymorphism
Method overloading
Parameter loading
Multiple method convergence
5
Please see the following method call. Which method definition begin is NOT correct?
private static boolean startCourse(int numberOfStudents)
private static boolean startCourse(int num)
private static int startCourse(int students)
private static boolean startCourse(int students)
6
How do you correctly define a multidimensional array?
String[10][10] table = new String[10][10];
String[][] table = new String[10][10];
String[][] table = new String[][];
String[10][10] table = new String[][];
7
What is NOT a correct array definition?
int[] myIntArray= {1,2,3};
int[] myIntArray = new int[];
int[] myIntArray = new int[]{1,2,3};
int[] myIntArray = new int[3];
8
What is NOT a good reason to make use of methods in java?
Makes the code faster
Leads to better maintainable code
Allows reusability of code
Improves readability of your code
9
What is a correct array definition?
int numbers = new int[20];
int numbers = new int[];
int[] numbers = new int[20];
int[] numbers = new int[];
10
Consider the following code in the picture, which next line is NOT possible (throws Exception)
System.out.println(myNumber[0]);
System.out.println(myNumber[1]);
System.out.println(myNumber[12]);
System.out.println(myNumber[11]);

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