Java ArrayList.get() Method

public E get(int index)

The ArrayList.get() method is used to get the element of a specified position within the list.

Package: java.util

Java Platform: Java SE 8

Syntax:

get(int index)

Parameters:

Return Value:
The element at the specified position in this list

Throws:

IndexOutOfBoundsException - if the index is out of range (index < 0 || index >= size())

Pictorial presentation of ArrayList.get() Method

Example: ArrayList.get Method

The following example shows the usage of java.util.Arraylist.get() method method.

import java.util.*;

public class test {
   public static void main(String[] args) {
      
    // create an empty array list with an initial capacity
    ArrayList<String> color_list = new ArrayList<String>(5);

    // use add() method to add values in the list
    color_list.add("White");
    color_list.add("Black");
    color_list.add("Red");
    color_list.add("White");
	color_list.add("Yellow");
	    
	// Print out the colors in the ArrayList.
    for (int i = 0; i < 5; i++)
      {
         System.out.println(color_list.get(i).toString());
      }
  }
}  
 

Output:

F:\java>javac test.java

F:\java>java test
White
Black
Red
White
Yellow

Example of Throws: get() Method
IndexOutOfBoundsException - if the index is out of range (index < 0 || index >= size()).

Let

int i = 0; i < 6; i++

in the above example.

Output:

White                                                  
Black                                                  
Red                                                    
White                                                  
Yellow                                                 
Exception in thread "main" java.lang.IndexOutOfBoundsEx
ception: Index: 5, Size: 5                             
        at java.util.ArrayList.rangeCheck(ArrayList.jav
a:635)                                                 
        at java.util.ArrayList.get(ArrayList.java:411) 
        at test.main(test.java:19)

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