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Our Mission We are here to provide optimal methods in offering premium services about programming languages with respect for the demands of our clients and to apply new technological attainment for faster and and more efficient treatment to our clients. Web Creator Miguel Carlo G. Flores is a freshman in Angeles University Foundation currently taking Bachelor of Science in Computer Science. He created this website to educate people of all ages about programming languages. The Codex Corporation Programming School is his first accomplished website in pursuing his future company. Sources from the page came from tutorialspoint , w3schools , and data flair training .

Your Essential Partner in Programming School Learn More a high-level general-purpose programming language originally designed for system software development. C Language Learn more TRENDING TECHNOLOGIES High-level Programming Languages to learn now Trending High-level programming languages sought by companies and markets today. Python Language A dynamically semantic, interpreted, object-oriented high-level programming language. Learn more Java Language A general-purpose, class-based, object-oriented programming language. Learn more Codex Corporation Take Pride in their Numbers 15 Years of Experience 10K Business Partners 25M Products Installed 22 Countries World Wide 5 Industry Awards Our Partners Are You Ready to Accelerate Your Learning? Join us now! Avail our services to ensure your future in the field of technology. Get Started

Getting Started Python Syntax Main Data Types of Python Python Built-in Functions Learn Java

Python Programming Language Python is a high-level, interpreted, interactive and object-oriented scripting language. This is designed to be highly readable. It uses English keywords frequently where as other languages use punctuation, and it has fewer syntactical constructions than other languages. This programming language is a must for students and working professionals to become a great Software Engineer specially when they are working in Web Development Domain. Moreover, this is a great language for beginner-level programmers and supports the development of a wide range of applications from simple text processing to WWW browsers to games. Learn more

Java Syntax A Java program consists of one or more classes one of them must be public and must have a method with the following signature: public static void main (String[] args) . Basically, the main() method will instantiate appropriate objects and send them "messages" (by calling their methods) to perform the desired tasks. The main() method should not contain any complicated program logic nor program flow control. Identifiers Identifiers are unique names assigned to things such as classes, variables, and functions across the program. They may contain: Underscore ( _ ) and dollar ($) (only special characters allowed in naming identifiers.) Unicode characters such as numbers, and alphabets. In the above Java code, we have 5 identifiers namely : Test : class name. main : method name. String : predefined class name. args : variable name. a : variable name. Literals These are the identifiers that have inherent worth. These can be used to create variables. Additionally, literals can be thought of as constants. Literals come in a variety of formats, including numeric, character, and string. a. Numeric Literals - This has 4 kinds of variations: 1. Decimal - Any number of base 10 (such as 87.53 ) 2. Binary - Any number of base 2 (such as 11011, 11000 ) 3 . Octal - Any number of base 8 (such as 1177 ) 4 . Hexadecimal - Any number of base 16 (such as A54C ) b. Floating point Literals - We can only express numeric numbers using a decimal point (.). These are fractional numbers that cannot be represented in full integer form. For instance: 10.876 c . Character Literals - These are the literals that deal with characters, that is, with inputs that are not of the type numeric. 1. Single quoted character - This encloses all characters with a single length within single quotes. For instance: ' a ',' j '. 2. Escape Sequences - These are the characters preceding by a backslash that when printed on screen perform a specific function, such as producing a tab or a new line. Example: ’ \n ’ Keywords Keywords are unique identifiers assigned by the compiler. These are not permitted to be used to name variables, classes, or functions. These are protected terms. Some of the keywords are: Abstract – This keyword specifies that the class is an abstract class. Boolean – This is a data type specifier which mentions that a particular variable is boolean. Byte – this is a data type specifier which specifies a particular variable to be of byte type. Case – a switch case keyword which specifies program to be performed if a particular case is satisfied. Catch – during a throw case of error handling catch encloses actions to be performed if exception occurs. Break – The break keyword breaks the control out of a loop. Void – this keyword renders a method non-returnable. Char – This is a data type specifier which specifies that the variable is of character type. Class – This keyword specifies the creation of a new class followed by a class name. Extends – This is used to indicate that the class mentioned after it is the derivation of a superclass. Comments Comments are required if the developer want to provide documentation to a program's declared function. This is to improve the readability and comprehension of the code. The compiler does not execute comments and they are simply ignored during execution. Comments come in a variety of types: a. Single Line Comments - This type consist of a single line of comment generally written after a code line to explain is meaning. b. Multi Line Comments - These comments span for multiple lines throughout the codebase. They are generally written at the beginning of the program to elaborate about the algorithm. These are also used by developers to comment out blocks of code during debugging. They comprise of a starting tag(/*) and an ending tag(*/) c. Documentation Comments - Typically, documentation comments are utilized while writing large programs for a project or software application, as they aid in the creation of documentation APIs. These APIs are required for reference purposes, such as to determine which classes, methods, and arguments are utilized in the code. The Javadoc tool processes these comments while generating documentation. Learn more

Frequently Asked Questions How is the online tutoring implemented? Online tutoring service will be implemented in a Microsoft Teams environment with 10 clients or fewer. If a client is unable to attend a session, he or she may send us an email to reschedule his or her missed session. What is the Programming and Coding? Coding is the process of converting various codes into instruction in a language recognized by computers. Code is a method of communication in which symbols, words, and letters all have a specific definition. Programming is the process of organizing these codes in a particular order to accomplish a task. Do you offer Refund? We will offer a full refund if the clients decide to cancel their membership within three days of registration. But half of their payment will be refunded if they opt to cancel their membership within one month of their registration. What is Codex Corporation? Codex Corporation is an information technology company that offers programming school that aims to educate clients about programming languages, whether they are kids, teenagers, or adults, and further enhance their skills.

Java Built-in Functions In Java, a methods is the same as a function . All the functions must be defined within a class. By that, it can be summarized by defining a Java method as a function belonging to a class. A function is a named unit of code that can be invoked anywhere in the class. Structure of a Function Access specifier – This shows the scope of availability of a function. ‘Public’ means that the function can be called from anywhere in the program. We have other access specifiers such as private and protected. Protected, the method can only be called within the class and its subclasses. Private can only be called inside the class . Modifier – ‘ Static ’ is optional in a function definition. In this case static means the function is a not an object of the main class but a method that belongs to the main class. Return type – This is a function that returns a value and functions that do not return anything. Void, means that the function does not have a return value. If the function was to return a value, replace void with the data type of the returned value. Function name – This the name of the function. Parameter list – This informs the compiler about the data type it will receive and the value to be returned. apply() Method The apply() method of the Function interface can take any object type as an argument and can return any object type. andThen() Method The andThen() method of the Function interface, the input function will be executed first, and on the result the second function (andThen) will be executed. compose() Method The compose() method is just the reverse of the andThen() method. The second functional interface will be executed first and followed by the first functional interface. Learn more

Python Syntax Like any other programming language, Python has a set of rules. These rules define how to write a program in that language. It also explains how the interpreter understands the code. These rules are set on the runtime system and followed by the person writing the code. Comments A comment is a piece of text within a program that is not executed. It can be used to provide additional information to aid in understanding the code. The # character is used to start a comment and it continues until the end of the line. Arithmetic Operations Python supports different types of arithmetic operations that can be performed on literal numbers, variables, or some combination. The primary arithmetic operators are: + for addition - for subtraction * for multiplication / for division % for modulus (returns the remainder) ** for exponentiation Plus-Equals Operator += The plus-equals operator += provides a convenient way to add a value to an existing variable and assign the new value back to the same variable. In the case where the variable and the value are strings, this operator performs string concatenation instead of addition. The operation is performed in-place, meaning that any other variable which points to the variable being updated will also be updated. Variables A variable is used to store data that will be used by the program. This data can be a number, a string, a Boolean, a list or some other data type. Every variable has a name which can consist of letters, numbers, and the underscore character _ . The equal sign = is used to assign a value to a variable. After the initial assignment is made, the value of a variable can be updated to new values as needed. Print () function The print() function is used to output text, numbers, or other printable information to the console. It takes one or more arguments and will output each of the arguments to the console separated by a space. If no arguments are provided, the print() function will output a blank line. Learn more

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Main Data Types of Python Every value in Python is called an " object ". Every object has a specific data type. The three most-used data types are the following: Integers (int) Integers are numbers used to represent an object such as number 3 . Integers = ...... -2, -1, 0, 1, 2, 3, 4, 5, ....... Floating-point numbers (float) Used to represent floating-point numbers. Float-point numbers are any real numbers with a decimal point. Floating-point numbers = .... -1.25, -1.0, 0.0 , 1,.5, 2.3, 3.5, ... Strings Strings are array of sequenced characters and is written inside single quotes, double quotes or triple quotes. Also, A string is a list of characters that is in order. You can codify a sequence of characters using a string. For instance, the word "hello". Strings = 'Yo', "Hello!", "'Hi!"' Lists Lists are used to specify an ordered sequence of elements. Basically, they help programmers keep related data together and perform the same operations on several values at once. Compared to string, lists are mutable or changeable. my_list = [1, 2, 3] my_list2 = ["a", "b", "c"] Tuples Tuples are similar to lists. They allow you to display an ordered sequence of elements. But they are immutable and you cannot change the values stored in a tuple. These are slightly faster than lists in optimizing the codes. my_tuple = (1, 2, 3, 4, 5) my_tuple[1:3] Dictionaries Dictionaries holds indexes with keys that are mapped to certain values. These key-value pairs offers a great way of organizing and storing data in Python. A key value can either be a string , boolean , or integer . Customer 1 = {'username': 'john-sea': 'online': false, 'friends':100} Learn more

Getting Started Java Syntax Main Data Types of Java Java Built-in Functions