Which of the following options is a property of Java arrays?a.)Data items in an array cannot be changed after they have been set.b.)Data items in an array can be of different types.c.)Data items in an array need to be of the same type.d.)The array size can be changed after it has been set.
Question
Which of the following options is a property of Java arrays?a.)Data items in an array cannot be changed after they have been set.b.)Data items in an array can be of different types.c.)Data items in an array need to be of the same type.d.)The array size can be changed after it has been set.
Solution
The correct answer is c.) Data items in an array need to be of the same type.
Here's why:
a.) Incorrect. In Java, you can change the data items in an array after they have been set.
b.) Incorrect. In Java, all data items in an array must be of the same type.
c.) Correct. In Java, all data items in an array must be of the same type. This is a fundamental property of arrays in Java.
d.) Incorrect. In Java, once an array is created, its size is fixed. You cannot change the size of an array after it has been set.
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