Changing content in an array

Question

can someone help me with changing content in an array. The index will be specified by the user entering the index number.
eg
Enter the item number to Change
1
Then I need to replace the data in this index with new data.
I am very new to java so I am sorry if this seems like a stupid questions. Your help is much appreciated.
thanks

Answer 1

public void modifyIt(String[] myArray){
  System.out.println("Which index?");
    int index = readResponse() //read in response somehow
  System.out.println("Whats the new data?");
  String data = readResponse() // read in response
  myArray[index] = data;
}