How do I find an element in an array?

C Program To Search an Element in an Array

  1. int main() { int nbr, i, r, arr[30];
  2. printf(“Enter the number of elements in the array: “); scanf(“%d”, &nbr);
  3. printf(“Enter the array elements: “); for (i = 0; i < nbr; i++) {
  4. } printf(“Enter the item to be searched: “);
  5. scanf(“%d”, &r);
  6. if (i < nbr) {
  7. } else {
  8. return 0;

How do you get a specific value from an array in JavaScript?

  1. If you need the index of the found element in the array, use findIndex() .
  2. If you need to find the index of a value, use Array.prototype.indexOf() .
  3. If you need to find if a value exists in an array, use Array.prototype.includes() .

How do you find if an array contains a specific string in JavaScript?

To check if a JavaScript Array contains a substring:

  1. Call the Array. findIndex method, passing it a function.
  2. The function should return true if the substring is contained in the array element.
  3. If the conditional check succeeds, Array. findIndex returns the index of the array element that matches the substring.

How do you search an array for a specific element in Java?

Step 1: Traverse the array. Step 2: Match the key element with array element. Step 3: If key element is found, return the index position of the array element. Step 4: If key element is not found, return -1.

What is searching data in array?

One of the basic operations to be performed on an array is searching. Searching an array means to find a particular element in the array. The search can be used to return the position of the element or check if it exists in the array.

How do you take specific values from an array?

Use the . splice() method is a good candidate. Splicing an array will create a new array that removes a number of value(s) and default everything to the right, starting at a specific index. If you only want to delete that one value, use the second (optional) parameter in the splice() method.

How do you check if a string exists in an array?

“check if string exists in an array java” Code Answer

  1. // Convert to stream and test it.
  2. boolean result = Arrays. stream(alphabet). anyMatch(“A”::equals);
  3. if (result) {
  4. System. out. println(“Hello A”);
  5. }
  6. Copy.

How do you find a string in an array?

The first old school way to identify if a string or array contains a string is using the indexOf method. If the string or array contains the target string the method returns the first character index (string) or item index (Array) of the match. If there is no match found indexOf returns -1.

How do you check if a number is in an array?

The simplest and fastest way to check if an item is present in an array is by using the Array. indexOf() method. This method searches the array for the given item and returns its index. If no item is found, it returns -1.