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In Eclipse web projects can be created easily. We will see how to create a simple web project having a JSP file and an HTML file. We will also see how to setup Tomcat server to run our web project. Let us look at steps to create Web project :- Step 1 :- Click on … Read more
Parameterized constructor can be made by the user if they want to assign some value to instance variable at time of creation of object. Parameterized constructors are also a good way to perform some operations that are to be performed at the start such as Database connections, pre-checks on values of instance variables or certain … Read more
Default constructor is automatically created by the compiler if we do not declare any constructor. The features of default constructor are : Let us look at an example to understand default constructor: Output As you can see in the above code we have not created any constructor in our class TestA, still instance variables age … Read more
Constructor in java is a special function that is used to initialize member variables of a class. Some of the key features of constructors are: To understand the above features in detail we have divided them in few sections :-
The number whose sum if calculated to single digit turns out to be 1 then the number is called Magic number. Example 1 :- 1234 1+2+3+4 = 10 1+0 = 1 Since we got the sum to be 1 hence 1234 is a Magic number. Example 2 :- 7111 7+1+1+1 = 10 1+0 = 1 … Read more
Let us see another famous interview pattern – Inverted Mirrored Right Angle Triangle Pattern. Writing above code’s logic correctly during interviews or exams will create a good impression. To understand above code’s logic easily visit RIGHT WAY TO DEBUG CODE USING PEN AND PAPER.
Let us see the logic of famous interview pattern – Inverted Right Angle Triangle. The above code can be easily debug. To understand simple way to debug code visit RIGHT WAY TO DEBUG CODE USING PEN AND PAPER.
Let us see a favorite pattern of interviewers – Mirrored Right Angle Triangle. This is one of the basic pattern to practice logic building before you try competitive programming. Output Understand the logic carefully and try to make other patterns yourself. To debug code easily refer the article RIGHT WAY TO DEBUG CODE USING PEN … Read more
Anyone who is starting to code, the most difficult thing they face is to understand others code. If the code has 2-3 nested loops then even an experienced persons face a lot of problem. Understanding someone else’s code or code present on internet is very frustrating and takes a lot of time. So my advice … Read more
Right angle triangle is a popular pattern, which is generally asked during interview rounds in companies. So everyone must understand its logic. Output How to debug Code Let us understand how to debug the above pattern : If you are trying to understand a tricky loop then always use pen and paper. By this you … Read more