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