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Character Set used in NetBeans: Java Programming

Java programming have its own character set that is used by the programmers to write code easily. Character set is composed of valid characters in a language that may be any letter, digit etc.

In any language, there are some fundamentals that you need to know before you can write even the most elementary programs. This article introduce Java fundamentals to you so that you may start writing efficient code for your GUI applications.

Character set is a set of valid characters that a language can recognize. A character represent any letter, digit or any other sign. Java uses Unicode character set. Unicode is two-byte character code set that has character representing almost all character in almost all language and writing systems around the world including English, Arabic, Chinese and many more.

The first 128 character in the Unicode character set are identical to common ASCII character set. The second 128 characters are identical to the upper 128 characters of the ISOLaptin-1 extended SCII character set. Its next 65,280 that are capable of representing character of nearly all recognized of the world.

You can refer to a particular Unicode character by using the escape sequence \u followed by a four digit hexadecimal.
For example
\u00AE         ©       The copyright Symbol
\u0022          “        The double quote
\u00BD        ½        The fraction ½
\u0394        ∆         The capital Greek letter delta

You can even use the full Unicode character sequence to name your variables. However, chances are your text editor won’t be able to handle more than basic ASCII very well.


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Memory representation of Linked List

             In memory the linked list is stored in scattered cells (locations).The memory for each node is allocated dynamically means as and when required. So the Linked List can increase as per the user wish and the size is not fixed, it can vary.

               Suppose first node of linked list is allocated with an address 1008. Its graphical representation looks like the figure shown below:

      Suppose next node is allocated at an address 506, so the list becomes,

  Suppose next node is allocated with an address with an address 10,s the list become,

The other way to represent the linked list is as shown below:

 In the above representation the data stored in the linked list is “INDIA”, the information part of each node contains one character. The external pointer root points to first node’s address 1005. The link part of the node containing information I contains 1007, the address of next node. The last node …