Why array Cannot store different data types?

You can create an array with elements of different data types when declare the array as Object. Since System. Object is the base class of all other types, an item in an array of Objects can have a reference to any other type of object. If you want to store different data types in an Array, better use System.

Can an array store different data types?

Yes we can store different/mixed types in a single array by using following two methods: Method 1: using Object array because all types in . net inherit from object type Ex: object[] array=new object[2];array[0]=102;array[1]=”csharp”;Method 2: Alternatively we can use ArrayList class present in System.

Can an array contain different types?

An element inside an array can be of any type, and different elements of the same array can be of different types : string, boolean, even objects or other arrays. This means that it’s possible to create an array that has a string in the first position, a number in the second, an object in the third, and so on.

Can we store different data types in linked list?

Yes, it’s allowed as long as the list is declared as List or List , which both String and Integer extend/implement.

Can we store different data types in linked list in java?

Yes,Sure according to heading of question,the answer is very simple and easy. You can insert any data type values in the linked list I’ve designed and its very simple to do so.

Can we store negative elements in array?

Answer: No, you cannot use a negative integer as size, the size of an array represents the number of elements in it, –ve number of elements in an array makes no sense.

Can we store different data types in NumPy array?

NumPy has some extra data types, and refer to data types with one character, like i for integers, u for unsigned integers etc.

How to store objects of different data types in an array?

The most simplistic way of storing objects of different data types is just by declaring the type of your Array (or Collection) as an “Object”. Object [] arr = new Object ; arr = “ab”; arr = 2; arr = 2.3; Java.lang.Object class is the root or superclass of the class hierarchy.

How to create an array with different data types in Java?

You can create an array with elements of different data types when declare the array as Object. Since System.Object is the base class of all other types, an item in an array of Objects can have a reference to any other type of object. Ex:

Why can’t I store a string in an integer array?

When we try to store a string value in an integer array it will give the compile time error “cannot implicitly convert type ‘string’ to ‘int'”. We know that an array is strongly typed. Saying that an integer array is strongly type means that we can only store an integer type in the array.

Why is an integer array strongly type in Java?

Saying that an integer array is strongly type means that we can only store an integer type in the array. If we want to store different data types in the array, then we can create an array of type object so if I convert to this in type object then now we are able to store type integer.