Reverse a Linked List

Reversing  a Linked list is the useful operation in which we change next to prev, prev to current and current to next.

Reverse String using Stack

 

Stack is LIFO(LAST IN FIRST OUT) linear data structure. It can have 2 operations 1)Push(add a new item)  2)Pop(delete an item).In this example I have shown how  to reverse a string from last character to the first (example…..RAM  OUTPUT IS MAR)

Queue Operations

 Queue Operations are......

         Enqueue—Add an item(new item in back side) to the end of the queue.

         Dequeue—Remove an item from the front.

         Queue Front—Who is first?

         Queueu End—Who is last?

 

Nested Loops

Nested loop means loop within a loop one is inner loop(inside the body) and other is outer loop(two loops).Inner loop is placed inside outer loop.

Logical Operators

Java provides Logical Operator that may be used to form complex conditions for control structures by combining simple conditions. The logical operators(symbolic representation) are &&( logical AND), &(Boolean  Logical  AND),||(Logical OR), |(Boolean logical inclusive OR).^(Boolean logical exclusive OR) and !(logical NOT,also called logical negation operator)

Program of Sorting using Selection Sort

The Selection sort technique is based upon the extension of the maximum/minimum technique. By means of a nest of for loop a pass through the array is made to locate the minimum value.

Generate Random Numbers

The Math class provides the random method. The random method generates a double value greater tha or equal to 0.0 but less than 1.0.

Program of Circular Linked List

 

Circular Linked List is another remedy for the drawbacks of the Single Linked List besides Doubly Linked List. A Slight change to the structure of a linear list is made to convert it to circular linked list; link field in the last node contains a pointer back to the first not Null.

 

Program of List using Array

In the array implementation of lists, we will use array to hold the entries and  a separate counter to keep track of the number of positions are occupied. 

Function Prototype in C++

A function prototype tells the compiler the name of the function, the types  of data returned by the function, the number of parameters(void odd(int Aa)) the function expects to receive, the types(int,float) of the parameters and the order in which these parameters are expected. The compiler uses function prototypes of validate function calls.

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