What would display from the following statements? int [] nums = {2, 3, 5, 6, 7}:

Question

What would display from the following statements? int [] nums = {2, 3, 5, 6, 7}: system.out.println((nums[1] + nums[3])): 7 2+5 1+3 4 An array is a list of data items that ____. All have different names All are integers All are null All have the same type If you declare a variable as an instance variable within a class and you declare and use the same variable name within a method of the class, then within the method ____. An error will occur The class instance variable takes precedence The two variables refer to a single memory address The variable used inside the method takes precedence

Explanation / Answer

1) a) 7

It will do mathematical addition of array elements at index 1 and 3

2) d) all have same type

Array can contain data of similar type, it is a collection of homogeneous data types.

3) The variable used inside the method will takes precedence

This is beacause of the scope of the variable , the instance variable declared inside a method has its scope local to that method.

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