DevInline - Tech Blog

Lets start our discussion with fundamental question which was asked to me in Oracle Interview: What happens when we run a class file with main method in Java run environment(JRE) with command java <class_file_name> ags1 ,args2 ? OR What happens …

In previous post we saw how to create sample Maven Junit project and used various annotations like @Test, @BeforeClass, @AfterClass, etc. Here we will list down all most commonly used annotations and its use. …

Unit testing is an inexpensive and efficient way to produce error free code lines. Although there is a dedicated division in every organization who perform testing and do quality activity on production or staging environment , however it is developer…

1. JavaScript variable scoping : Understanding of scope of variable at Function level and Global. What will be displayed on console ? var name = "Nikhil" ; ​ ​ function display() { var name = "Zytham" ; // local variable …

It is very common problem faced by people trying to execute PL/SQL procedure in SQL Plus or SQL Developer and displaying message or debugging information using DBMS_OUTPUT package. However, no output on console. Why DBMS_OUTPUT.PUT_LINE is not workin…

1. What is outcome of  x == y ?  var x = "ZYTHAM" ; var y = new String ( "ZYTHAM" ); x==y //prints true/false Answer : true == compares values of x and y . Since x and y both has equal values. 2. What will…

In JavaScript most common ways to create Objects are - Object Oriented Programming (OOP) way  and Prototypal Object Creation way. In this post we will see OOP way followed by Prototypal way. Object Oriented Programming - OOP Style object creation  …

Topics covered 1. Recursive implementation 2. Non-recursive implementation 3. Complete sample program Problem Statement :- For a given a linked list and block size N as input, reverse N blocks of nodes so that linked list internal structure is …

Topics covered 1. Recursive implementation 2. Non-recursive implementation 3. Complete sample program Problem Statement :- Reverse a linked list in such a way that, pair of elements are reversed and linked list internal structure is maintained…

Find length of cycle in a liked list is an application of Floyd cycle detection algorithm.In order to solve this problem, first we need to solve two problem in sequence - 1.  find cycle in linked list in Java and 2. find beginning of cycle in linked l…