5 questions please help quickly!!!!

19.) The following code is intended to calculate the sum of the first five positive odd integers.

int sum = 0, k;

for (k = 1; k <=10; k+= 2) { sum +=k;

}

What is wrong with this code segment?

A.) The segment calculates the sum of the first four positive odd integers. B.) The segment calculates the sum of the first six positive odd integers. C.) The segment calculates the sum of the first 7 positive odd integers. D.) The variable sum is incorrectly initialized. The segment would work correctly if sum was initialized to 1. E.) The segment works as intended.

22.) Which of the following statements is false?

A.) For-each loops (or enhanced for loops) can be used to iterate over arrays. B.) For-each loops can only be used to iterate over all array elements. C.) For loops can be used to iterate all or some array elements. D.) For-each loops can be used to iterate over all array elements in reverse order. E.) For-each loops can be replaced with either for loops or while loops.

23.) What does the decimal number 107 equal in the hexadecimal system?

A.) 121 B.) 5D C.) 3D D.) A9 E.) 6B

24.) What does the octal number 150 represent in the decimal system?

A.) 136 B.) 104 C.) 85 D.) 204 E.) 43

25.) The ____ class contains constants for the minimum and maximum int values.

A.) Float B.) Double C.) Int D.) Interger