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      Java

      We, Dr. Shahriar Hossain and Dr. Monika Akbar, are developing a Java programming course for beginners. All the video lectures are linked from this page. Subscribe to receive notifications of new posts.

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      We hope that you will enjoy the video lectures and the exercises we post.

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      • Java
      Another tutorial on recursion
      27 December

      Recursion in Java: Another beginners’ guide: Video Lecture 20

      • Posted by M. Shahriar Hossain
      • Categories Java
      • Comments 0 comment

      This post is a continuation of the previous video lecture on Recursion. The current post and the associated video lecture explain more on recursion in Java. We target the following problem — how to compute the summation of all the …

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      A simple tutorial on recursion
      23 December

      A beginners’ tutorial on recursion in Java: Video Lecture 19

      • Posted by M. Shahriar Hossain
      • Categories Java
      • Comments 0 comment

      This article discusses the basics of recursion in Java. We will discuss the theory of recursion, how we can write a recursive method in Java, and how to trace a recursive program. We are already familiar with how to use …

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      Methods in Java programming language
      30 November

      Methods in Java programming language: Video Lecture 18

      • Posted by M. Shahriar Hossain
      • Categories Java
      • Comments 0 comment

      This article covers details on methods in Java. It explains why we need to use methods in our programs, how to pass data to a method using parameters, and retrieve information from it via a return statement. A method is …

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      Finding the largest and the smallest numbers in an array in Java
      12 November

      Finding the Largest and the Smallest Numbers in an Array in Java: Video Lecture 17

      • Posted by M. Shahriar Hossain
      • Categories Java
      • Comments 0 comment

      Finding the largest and smallest numbers in an array is a common programming problem. This post describes how to write a Java program to find the largest or the smallest element in a one-dimensional array.  In Java Video Lecture 16, …

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      Single dimensional array in Java
      29 October

      Single dimensional array in Java: Video Lecture 16

      • Posted by M. Shahriar Hossain
      • Categories Java
      • Comments 0 comment

      A single dimensional array or a one-dimensional array can hold more than one element. Using an array, one can avoid the use of too many variables to store the same data types. As an example, a programmer can use an …

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      Printing a pyramid pattern of stars in Java
      06 October

      Printing the pyramid pattern of stars in Java: Video Lecture 15

      • Posted by M. Shahriar Hossain
      • Categories Java
      • Comments 6 comments

      Printing the pyramid pattern of stars is a common practice in learning any programming language. In this post, we will learn how to print the pyramid pattern of stars in Java. The program output for a pyramid of ten lines …

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      Java do-while loop
      22 September

      Java do-while Loop: Video Lecture 14

      • Posted by M. Shahriar Hossain
      • Categories Java
      • Comments 8 comments

      Java do-while loop is one of the three looping techniques available with the language. The other two loops are: for loop and while loop. do-while is a little bit different than for or while loops. In the “for” or “while” …

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      While loops in Java: Coding examples and comparison with for loops
      08 September

      While loops in Java: Video Lecture 13

      • Posted by Monika Akbar
      • Categories Java
      • Comments 0 comment

      Java has three types of loops: (1) for loop, (2) while loop, and (3) do-while loop. This post focuses on while loops in Java. In the video-lecture associated with this post, we compare side-by-side for loops and while loops. While …

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      Connected nested loops in Java
      25 August

      Connected nested loops in Java: Video Lecture 12

      • Posted by Monika Akbar
      • Categories Java
      • Comments 2 comments

      As stated in the previous video lecture, nested loops refer to the repetition of another repeated task. The nested loops we discussed in the last lecture were not dependent on each other in determining how many times a loop should …

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      Nested loops in Java
      19 August

      Nested loops in Java: Video Lecture 11

      • Posted by M. Shahriar Hossain
      • Categories Java
      • Comments 0 comment

      Nested looping refers to a loop inside another loop. Many applications require to loop over a repeated task. Nested looping is a solution to aid such repetitive tasks. As an example, consider printing ten lines on the terminal, where each line contains twenty asterisks, as shown below.

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