Java Language Fundamentals: Identifiers, Variables, Data Types, and Operators

Reserved Keywords Keywords are strings reserved by the Java language for specific purposes. There are 50 keywords in total, all in lowercase. Note that const and goto are reserved words and cannot be used as identifiers. Additionally, true, false, and null are not keywords; they are literal values representing boolean states and empty reference ...

Posted on Tue, 09 Jun 2026 18:19:38 +0000 by jungalist

C Language Types and Expressions for Embedded Systems

Keywords 1.1 Data Type Keywords The fundamental data type keywords in C include: char, short, int, long, float, double struct, union, enum, signed, unsigned, void On a 32-bit platform, the following table shows the memory allocation for each type: Type Description Size in Bytes char Character type 1 byte short Short integer 2 bytes ...

Posted on Fri, 05 Jun 2026 17:42:16 +0000 by Wizard4U

C# Fundamentals: Variables, Data Types, and Core Concepts

Variables Variables store data in memory for use in your programs. Declaration syntax: dataType variableName; variableName = value; The assignment operator = assigns the value on the right to the variable on the left. It does not represent equality in the mathematical sense. Shorthand declaration: dataType variableName = value; Data Types // ...

Posted on Sat, 30 May 2026 22:01:32 +0000 by nepton

JavaScript Operators: Special Cases and Type Coercion

JavaScript operators share many similarities with those in Java, but several exhibit unique behaviors speicfic to the language's dynamic typing. Division and Modulus with / and % In JavaScript, the number type encompasses both integers and floats. The division operator (/) yields an integer result only if the division is exact; otherwise, it pr ...

Posted on Thu, 28 May 2026 20:39:03 +0000 by BLottman

Python Core Mechanics: Environment, Numerics, and Operations

Environment Configuration and Execution Python operates as an interpreted scripting language compatible with Linux shells. It is widely utilized for scientific computation, automation, cloud services, web scraping, data analysis, and AI interfaces, often leveraging extensive third-party libraries. Running Scripts in Linux Modern Ubuntu distribu ...

Posted on Tue, 26 May 2026 20:51:15 +0000 by zevious

Bash Conditional Expressions and Operators

Conditional Expression Syntax Bash supports four syntax forms for condition testing: Syntax Description test expression Uses the test command [ expression ] Single brackets, functionally identical to test [[ expression ]] Double brackets, enhanced version of the above ((expression)) Double parentheses, typically used with if statem ...

Posted on Mon, 25 May 2026 19:41:41 +0000 by True`Logic

Java Operators: Arithmetic, Relational, Bitwise, Logical, and More

Arithmetic operators are used in mathematical expressions and behave as they do in algebra. Assuming integer variables x = 10 and y = 20: Operator Description Example + Addition x + y == 30 - Subtraction x - y == -10 * Multiplication x * y == 200 / Division y / x == 2 % Modulus (remainder after division) y % x == 0 ++ Increment ...

Posted on Wed, 20 May 2026 20:48:18 +0000 by Guldstrand

Comprehensive Guide to C++ Operators

C++ provides a rich set of operators for various programming tasks. These operators enable arithmetic computations, logical evaluations, bitwise manipulations, assignments, and more. Understanding their categories, usage, and precedence is fundamental for effective C++ programming. Arithmetic Operators These operators perform mathematical calcu ...

Posted on Mon, 18 May 2026 13:08:56 +0000 by xsist10

Core Mechanics of Python Integer Types and Operators

Exponentiation and Arithmetic Logic Python handles integer exponentiation using the double asterisk operator. When calculating powers, the base value is raised to the specified exponent. base_val = 5 power_val = 2 result_val = base_val ** power_val print(result_val) # Output: 25 In this scenario, the base value is 5 and the exponant is 2. The ...

Posted on Mon, 18 May 2026 10:26:57 +0000 by mithras

JavaScript Basics: Operators, Control Flow, Functions, and Arrays

1. Operators JavaScript provides two primary equality comparison operators: == (loose equality): performs type coercion before comparing values. === (strict equality): compares both value and type without coercion. Example: let age1 = 20; let age2 = "20"; console.log(age1 == age2); // true (after string-to-number coercion) console. ...

Posted on Sat, 16 May 2026 11:56:17 +0000 by BrianPeiris