List: void add(int index, Object x) Inserts x at index. : List « Utility Classes « SCJP

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SCJP » Utility Classes » List

8.13.2.List: void add(int index, Object x) Inserts x at index.

import java.util.ArrayList;

import java.util.List;



public class MainClass {

  public static void main(String[] argv) {

    // The index of each subsequent element is increased by 1, so indices remain

    // sequential.

    List<String> list = new ArrayList<String>();

    list.add("a");

    list.add("b");

    list.add("c");



    for (String s : list) {

      System.out.println(s);

    }

  }

}

a
b
c

8.13.List
	8.13.1.	A List keeps it elements in the order in which they were added.
	8.13.2.	List: void add(int index, Object x) Inserts x at index.
	8.13.3.	List: Object get(int index) Returns the element at index.
	8.13.4.	List: int indexOf(Object x) Returns the index of the first occurrence of x, or -1 if the List does not contain x.
	8.13.5.	Collection: Object remove(int index) Removes the element at index.
	8.13.6.	ListIterator extends the Iterator interface to support bidirectional iteration of lists.
	8.13.7.	Using Iterator for Lists
	8.13.8.	toArray() method

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