Code-Vault

C++

1. 0-1 Knapsack Problem
2. Add all greater values to every node in a BST
3. Alphabet_rangoli - HackerRank
4. Apriori Algorithm
5. Binary Tree
6. Ceaser Cipher encryption and decryption
7. Coin change problem
8. Construct Tree from Preorder
9. Cyclic Redundancy Check (CRC)
10. Diffie-Hellman key exchange
11. Doubly linked list
12. Fast GCD
13. Find the Duplicate Number
14. Find the Running Median
15. Fractional Knapsack Problem
16. Given an integer array nums that may contain duplicates, return all possible subsets (the power set) - Subsets II
17. Given an integer numRows, return the first numRows of Pascal's triangle
18. Given a A X B matrix with your initial position at the top-left cell, find the number of possible unique paths to reach the bottom-right cell of the matrix from the initial position
19. Given the root of a binary tree and an integer targetSum, return all root-to-leaf paths where each path's sum equals targetSum - Path Sum II
20. Hamming code detecting up to two simultaneous bit errors and correcting single-bit errors.
21. Hamming_distance
22. KMP string searching
23. Infix expression to postfix and prefix conversion
24. Inorder Traversal (Iterative)
25. Longest valid Parentheses
26. Maximize Number of 1s
27. Maximum Production
28. Max Subarray Sum using Kadane's Algorithm
29. MinHeap
30. Monoalphabetic Cipher encryption and decryption
31. Nuts and Bolts Problem
32. Play fair Cipher encryption and decryption
33. Polyalphabetic Cipher(Vigenere Cipher) encryption and decryption processes
34. Postorder Traversal (Iterative)
35. Preorder traversal (Iterative)
36. Preorder to Postorder
37. Print Anagrams Together
38. Print Binary number from 1 to N
39. Rail Fence Cipher
40. Repeating and the missing
41. Rod cutting problem
42. Sieve of Eratosthenes calculate the prime numbers up to N
43. Stackusing Two queue
44. String Challenge - Coderbyte
45. Twice Counter
46. Two-dimensional Parity check
47. Valid Expression

JAVA

1. Addition of digits stored in two linked list
2. Array Challenge - CoderByte
3. Credit card number validator
4. Count word, character and line in given input file
5. File directory manipulation
6. Find All Permutation of given string
7. Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0's, and return the matrix
8. Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers
9. Rational number class implementation
10. Remove and Replace text in file
11. SudokuSolution : check whether a given Sudoku solution is correct
12. SudokuSolution : check whether a given Sudoku solution is correct if it's not than return list of 3x3 Quadrant which contains error - Coderbyte
13. StopWatch to getElapsedTime of program
14. Zeller_algorithm to find day of the week

JDBC Programs (Oracle 11g database)

1. Create an application to fill student registration form and submit data into table of Oracle. (use JDBC)
2. Write an application which list content of table of a database. (Describe Table)
3. Write an application to update content of table. Get values from key board.(Use parameterized query)
4. Using the JDBC API, display all the records from the database table, Table selected from command line argument.
5. Write a Java application to invoke a stored procedure using a CallableStatement. For this a stored procedure called incrementSalary may be developed to increase all the employee’s salary by a percentage specified in the parameter
6. Using JDBC Type-1 Driver, display all the records from the database table.
   • Create JDBC-ODBC Data Source for Oracle.

Java Servlet

1. Develop Server Side Application using servlet for Collecting employee information, Validation employee information and Retrieval of employees records. Develop 3 separate servlets for collection, validation and for retrieval.
   • Servlet for Collecting Employee Information
   • Servlet for Validating employee information
   • Servlet for Retrieval of employees Records
2. Develop a client side web base form for collecting employee information and servlet for validation employee information and retrieval of employees records.Develop 2 separate servlets for validation and for retrieval.
   • Client Side Web base form for Collecting Employee Information
   • Servlet for Validating employee information
   • Servlet for Retrieval of employees Records
3. For above application implement a login page. A user can use above pages only after login using correct userID and password. Implement logout facility also. Do session tracking.

Socket Programming in JAVA

1. TCP/IP base client server application establishing the talk between two users.
2. TCP/IP application supplying the series of data from the client (one application) and send it to server(another application) and sort it from server side and display their result onto the client side.
3. UDP base client server application establishing the talk between two users.

Socket Programming in C

1. Connection Oriented(TCP/IP) File sharing Server using socket programming.
2. Connection Less(UDP) Error Detection Mechanism using Socket Programming.
3. Connection Oriented Echo Server using Socket programming.