JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS
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Java ArrayList Examples


Description:

ArrayList is a resizable-array implementation of the List interface. Implements all optional list operations, and permits all elements, including null. In addition to implementing the List interface, this class provides methods to manipulate the size of the array that is used internally to store the list. (This class is roughly equivalent to Vector, except that it is unsynchronized.)

List Of All ArrayList Sample Programs:

  1. Basic ArrayList Operations.
  2. How to read all elements in ArrayList by using iterator?
  3. How to copy or clone a ArrayList?
  4. How to add all elements of a list to ArrayList?
  5. How to delete all elements from my ArrayList?
  6. How to find does ArrayList contains all list elements or not?
  7. How to copy ArrayList to array?
  8. How to get sub list from ArrayList?
  9. How to sort ArrayList using Comparator?
  10. How to reverse ArrayList content?
  11. How to shuffle elements in ArrayList?
  12. How to swap two elements in a ArrayList?
  13. How to convert list to csv string format?
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What is wrapper class?
Everything in java is an object, except primitives. Primitives are int, short, long, boolean, etc. Since they are not objects, they cannot return as objects, and collection of objects. To support this, java provides wrapper classes to move primitives to objects. Some of the wrapper classes are Integer, Long, Boolean, etc.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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