/** * The HelloWorldApp class implements an application that * simply prints “Hello World!” to standard output. */ class HelloWorldApp { public static void main(String[] args) { System.out.println(“Hello Worlld”); } } class ArrayDemo { public static void main(String[] args) { // declares an array of integers int[] anArray; int[] theArray; // allocates memory for 10 …
Category: Complete Courses
Mar 10
SCJP: Sun Certified Java Programmer: All that you need to know #SCJP
Introduction to Sun Certified Java Programmer Certification Course Java : SCJP: Important Resources JAVA: Some links: useful for exams like scjp/scja SCJP Essential Knowledge SCJP Practice Exams SCJP Training: Lesson 1: Develop code that declares classes (including abstract and all forms of nested classes), interfaces, and enums, and includes the appropriate use of package and …
Mar 10
SCJP: Topics and Resources : will be continued #SCJP
SCJP topics and related resources are provided. I have skimed through the resources at least one time. Garbage Collection Test area:Given a code example, recognize the point at which an object becomes eligible for garbage collection, determine what is and is not guaranteed by the garbage collection system, and recognize the behaviors of the Object.finalize() …
Mar 10
SCJP: Java Operators #SCJP
By Sayed Exams like SCJP test your understanding of Java operators and how to use them like: assignment operators: =, +=, -= arithmetic operators: +, -, *, /, %, ++, — relational operators: <, <=, >, >=, ==, != logical operators: &, |, ^, !, &&, || conditional operators: ? : Also operators to check …
Feb 23
My YouTube Channel on Software and Web Development
Sayed Ahmed This is my youtube channel on Training and Education; primarily on Software and Web Development. Playlists: object oriented programming in php 5 http://www.youtube.com/watch?v=xVnVD3b2BCc&list=PLUA7SYgJYDFozmePt6hBygmlU_uwID1_8 PHP and MySQL: Misc http://www.youtube.com/watch?v=h21qyG3KeJY&list=PLUA7SYgJYDFovREY1m3AcPUOF59U695su Ecommerce Shop Development in Magento http://www.youtube.com/watch?v=NJzUSu-GcUk&list=PLUA7SYgJYDFqOx7–ezlbukRbVX1wIfeI Introduction to Information and Telecommunications Technologies (Based on Grade 11 & 12 Education in Bangladesh) http://www.youtube.com/watch?v=vVHSVrtRIis&list=PLUA7SYgJYDFqrvpNI2YsxMfCxXBsiQGbY Video Game Design …
Jul 31
Recent Announcements from AWS
Browse below to learn about the latest product, service, and feature announcements from AWS. AWS Release Notes A Weekly Review of the Latest Announcements from AWS Introducing Amazon EC2 R5 Instances, the next generation of memory-optimized instances Introducing Amazon EC2 z1d Instances with a sustained all core frequency of up to 4.0 GHz Amazon ECS …
Jul 27
Tech Talk Follow Up: Introduction to Amazon QuickSight: Business Analytics for Everyone
Thank you for registering for an AWS Online Tech Talk. The on-demand content is now available. Webinar: Introduction to Amazon QuickSight: Business Analytics for Everyone Recording Presentation slides My Account | Getting Started | Products | Solutions | Pricing | Partners | Documentation | Training | Events & Webinars | AWS Activate | Marketplace | …
Dec 26
AutoFS and Mounting in Linux/Redhat/CentOS
AutoFS and Mounting in Linux/Redhat/CentOS echo “AutoFS – Automatic FS system Mounting – Dec 26th, 2017 by Sayed” check if Autofs installed or not yum list installed | grep autofs I just installed; hence it is there you can install with yum -y install autofs 944 yum -y install autofs then you can enable autofs …
Dec 26
On File Systems and Linux Commands (Redhat/CentOs/Fedora)
On File Systems and Linux Commands (Redhat/CentOs/Fedora) echo “Dec 26th, 2017, Sayed Ahmed, Justetc Technologies” On file Systems – Target Audience: Technical People. Software Developers and System/Network Administrators or DevOps (or wanna be) / and /boot are the default Linux file systems you can also configure /home, /opt, /var, /tmp, /usr as separate file systems …
Dec 25
Users and Groups management in Linux (Redhat/CentOS/Fedora)
Users and Groups management in Linux (Redhat/CentOS/Fedora) Target Audience: Technical people who knew or already know (to some extent) – just wanna review Yes, from my history 622 echo “dec 25th, 2017 – sayed” User and password related files 623 cat /etc/passwd 624 cat /etc/shadow 625 cat /etc/group 626 cat /etc/gshadow There are some …
