Can we store a string and integer together in an array?
3 Answers. An Object[] can hold both String and Integer objects. Here’s a simple example: Object[] mixed = new Object[2]; mixed[0] = “Hi Mum”; mixed[1] = Integer.
How do you store a string and integer together in an ArrayList?
You can do this as follows but have to give up on generics for the list container. List listOfMixedTypes = new ArrayList(); ArrayList listOfStrings = new ArrayList(); ArrayList listOfIntegers = new ArrayList(); listOfMixedTypes. add(listOfStrings); listOfMixedTypes.
How do you store strings in an array?
Method 1: Naive Approach
- Step 1: Get the string.
- Step 2: Create a character array of the same length as of string.
- Step 3: Traverse over the string to copy character at the i’th index of string to i’th index in the array.
- Step 4: Return or perform the operation on the character array.
Can you store numbers in an array?
To use an array you have to declare it. int array[] = new int [19]; If you want 19 numbers, then use an array with 19 elements. If you want to add consecutive numbers you can use a SIMPLE for loop and to see them on the screen you can just iterate your array.
How do you store numbers in strings?
We create a variable of output string stream class and create a variable str. We then pass the number stored in num to the output stream. Then we call the str() function to convert the number to string and print it.
Can you store both string and integer in the same array in Java?
Yes, there is a way. Why do you think you need it?
What is LinkedList in Java?
Linked List is a part of the Collection framework present in java. util package. This class is an implementation of the LinkedList data structure which is a linear data structure where the elements are not stored in contiguous locations and every element is a separate object with a data part and address part.
How do you add a string and integer to an ArrayList in Java?
For example, to add elements to the ArrayList , use the add() method:
- import java. util.
- public class Main { public static void main(String[] args) { ArrayList cars = new ArrayList(); cars. add(“Volvo”); cars.
- Create an ArrayList to store numbers (add elements of type Integer ): import java. util.
How do I store a list as a string?
To convert a list to a string, use Python List Comprehension and the join() function. The list comprehension will traverse the elements one by one, and the join() method will concatenate the list’s elements into a new string and return it as output.
How do you store a value in a string?
Strings using character pointers Using character pointer strings can be stored in two ways: 1) Read only string in a shared segment. When a string value is directly assigned to a pointer, in most of the compilers, it’s stored in a read-only block (generally in data segment) that is shared among functions.
Can we store a number in a string?
A string consists of one or more characters, which can include letters, numbers, and other types of characters. This means that a string can contain many different characters, but they are all considered as if they were text, even if the characters are numbers. A string can also contain spaces.
How are strings stored in C?
String literals are stored in C as an array of chars, terminted by a null byte. A null byte is a char having a value of exactly zero, noted as ‘\0’. Do not confuse the null byte, ‘\0’, with the character ‘0’, the integer 0, the double 0.0, or the pointer NULL.