Scalar Data Structure

- Integer, Character, Boolean, Float, Double, etc.

Vector or Linear Data Structure

- Array, List, Queue, Stack, Priority Queue, Set, etc.

Non-linear Data Structure

- Tree, Table, Graph, Hash Table, etc.

HashTable example

Stack Example

Integer Example:

public class IntegerExample {

public static void main(String[] args) {

Integer intObj1 = new Integer(10);

Integer intObj2 = new Integer("10");

System.out.println(intObj1);
System.out.println(intObj2);
}
}

For more information, visit the following links:

http://www.roseindia.net/javacodeexamples/index.shtml

http://www.devmanuals.com/tutorials/java/collections/index.html