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On 9 August first class of Java started. Balajee took the class of Introduction to computer and java. In first class of OOPJ we learn

What is Programming?
What do computers undestand?

Programming Cycle: The process of writing a program, compiling it into machine language, running it and removing defects is called Programming Cycle.

The most intesting thing is difference between compiler and Interpreter, we learn also advantages and disadvantages of compiler and interpreter.

On 20th August first class of Data Structures is started, actually I'm not very much comfortable data structures part, but how Raman sir took that class I'm creating interested in data Structures.

Data Structures basically of Arrays, stacks, Queues, Vectors, Link Lists, Tree, and Graph.
Data Structures means relative positioning of data items and their access mechanism. The positioning can be implicit or explicit.

Data Structures can be define three type

i) Linear
ii) Tree
iii) Graphs


Linear Data structures data arranged in linear fashion. Every node has a unique next element and a unique previous element.



In linear data structures are Array, stack, vector and queue. Array is a collection of element of objects of same type. Stack is similar to store book one over another. Stack is called LIFO (Last in first out) Similar to office file also. Addition and deletion of data at the one end. Queue is similar to open pip which can be data one end and remove the data other end.