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Month: August 2019

What are the java identifiers & keywords?

All the Java components we just talked about—classes, variables, and methods—need names. In Java these names are called identifiers, and, as you might expect, there are rules for what constitutes a legal Java identifier. Like all programming languages, Java has a set of built-in keywords. These keywords must not be used as identifiers. Later in […]

What is java?

Java was developed by a team of computer professionals under the guidance of James Gosling at Sun Microsystems in 1991. They wanted to give a suitable name. Initially, they called it “oak” after seeing an oak tree from their window, but after some weeks they were discussing another name and were sipping java coffee, so […]

Receiving input in C

In general C program, you can itself should ask the user to supply the values of required variables. This can be achieved using a function called scanf( ). This function is a counter-part of printf( ) function. Printf( ) outputs the values to the screen, whereas scanf( ) receives them from the keyboard. Each variable […]

Constants, Variables & keywords

In any C program, we typically do lots of calculations. The results of these calculations are stored in the computer’s memory. Computers memory also consists of millions of cells, to make the usage of these values easy, memory cells are given names. Since the value stored in each location may change, the names given to […]

introduction to C

C is a programming language developed at AT & T’s Bell Laboratories of the USA in 1972. It was designed & written by a man named Dennis Ritchie. C became popular because of its reliability, simple & easy to use. In an industry where newer languages, tools & technologies emerge & vanish day in & […]