get the nth element of array in java

  int getNthElement(int[] arr, int index) {
    return arr[index];
  }

This code defines a function called getNthElement that takes two parameters: an array of integers called arr and an integer index. This function will return the element of the array that has the same index as the index parameter. For example, if we pass in an array of {1, 3, 5, 7, 9} and index 2, the function will return 5.

The first line defines the function name getNthElement, which takes two parameters. The first parameter is an array of integers called arr and the second parameter is an integer index.

The second line of the code returns the element of the array at the index position specified by the index parameter. In other words, if we pass in index 2, the function will return the third element of the array.