Core Java Archive
Java Tutorials Introduction to Java: Java is a programming language. Before going to start learning any programming language, we need to answer few simple questions as follows. What is Program? Set of instructions. What is …
Drawbacks of C and C++: C and C++ are Platform dependent languages. We can develop only Standalone applications using these languages. Compiler converts Source code into Machine code. C compiler converts Source code into Specific …
Java History: James gosling initiated the project in the year 1991. Application developed from Islands of Indonesia. The application developed under the project name called “Green Project” Initially the application name is “Green talk” with …
Certifications: We can get certified directly from Oracle corporation. Initially it is called “SCJP” certification (Sun Certified Java Programmer). Now it is called OCJP – Oracle Certified Java programmer. Oracle Certified Professional, Java SE 8 …
Compiler: It is a pre-defined program(software) It is responsible for checking syntax errors in the program. If the source is syntactically correct, then it will generate a file of binary code. Intermediate file generates after …
What type of applications we can develop using programming languages? Platform dependency: C, C++ languages are Platform dependent languages. Using Platform dependent languages, we can develop only Standalone applications. Compiler Converts the Source code into …
Programming elements: Software is a set of programs. Every program consists 3 things Identity Variables Methods Identity: Every program has unique identity. We can access programs with identities only. For example Account Holder program can …
Application contexts: Java application represents real world objects communications. Every application has 2 contexts (locations) to access. Static context – free access Non static context – Restricted access General example to understand Static and Non …
The way of writing Program in C and Java: Every program is a collection of variables and functions(methods) We can define these members directly in C program. In java application, every statement belongs to class(object). …
Naming Convention Rules: We must follow language rules while defining java programs. Every java application development involves number of developers. All developers should follow the same set of rules to deliver the right application. Class: …
