The java.io package contains nearly every class you might ever need to perform input and output (I/O) in Java. All…
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Java – Methods
A Java method is a collection of statements that are grouped together to perform an operation. When you call the…
Read MoreJava – Regular Expressions
Java provides the java.util.regex package for pattern matching with regular expressions. Java regular expressions are very similar to the Perl…
Read MoreJava – Date and Time
Java provides the Date class available in java.util package, this class encapsulates the current date and time. The Date class…
Read MoreJava – Arrays
Java provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type. An…
Read MoreJava – Strings Class
Strings, which are widely used in Java programming, are a sequence of characters. In Java programming language, strings are treated…
Read MoreJava – Character Class
Normally, when we work with characters, we use primitive data types char. Example char ch = 'a'; // Unicode for…
Read MoreJava – Numbers Class
Normally, when we work with Numbers, we use primitive data types such as byte, int, long, double, etc. Example int…
Read MoreJava – Decision Making
Decision making structures have one or more conditions to be evaluated or tested by the program, along with a statement…
Read MoreJava – Loop Control
There may be a situation when you need to execute a block of code several number of times. In general,…
Read MoreJava – Constructors
A constructor initializes an object when it is created. It has the same name as its class and is syntactically…
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Overloaded fractions
HEADER FILE class Fractie { public: int numarator,numitor; public: Fractie(int numarator=0,int numitor=1); Fractie Suma(Fractie,Fractie); Fractie Diferenta(Fractie, Fractie); Fractie Produs(Fractie, Fractie);…
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EURO INFORMATICA & EURO ELECTRONICA – MEET AND CODE 2019
EURO INFORMATICA & EURO ELECTRONICA Evenimentul este finanțat cu ajutorul inițiativei Meet and Code (https://www.meet-and-code.org/) susținută la nivel european de…
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Objective-C Classes & Objects
The main purpose of Objective-C programming language is to add object orientation to the C programming language and classes are…
Read MoreCommand-Line Arguments
It is possible to pass some values from the command line to your Objective-C programs when they are executed. These…
Read MoreObjective-C Error Handling
In Objective-C programming, error handling is provided with NSError class available in Foundation framework. An NSError object encapsulates richer and…
Read MoreObjective-C Log Handling
NSLog method In order to print logs, we use the NSLog method in Objective-C programming language which we have used…
Read MoreObjective-C Type Casting
Type casting is a way to convert a variable from one data type to another data type. For example, if…
Read MoreObjective-C Typedef
The Objective-C programming language provides a keyword called typedef, which you can use to give a type a new name.…
Read MoreObjective-C Preprocessors
The Objective-C Preprocessor is not part of the compiler, but is a separate step in the compilation process. In simplistic…
Read MoreObjective-C Structures
Objective-C arrays allow you to define type of variables that can hold several data items of the same kind but…
Read MoreObjective-C Strings
The string in Objective-C programming language is represented using NSString and its subclass NSMutableString provides several ways for creating string…
Read MoreObjective-C Pointers
Pointers in Objective-C are easy and fun to learn. Some Objective-C programming tasks are performed more easily with pointers, and…
Read MoreObjective-C Arrays
Objective-C programming language provides a data structure called the array, which can store a fixed-size sequential collection of elements of…
Read MoreObjective-C Numbers
In Objective-C programming language, in order to save the basic data types like int, float, bool in object form, Objective-C…
Read MoreObjective-C Blocks
An Objective-C class defines an object that combines data with related behavior. Sometimes, it makes sense just to represent a…
Read MoreObjective-C Functions
A function is a group of statements that together perform a task. Every Objective-C program has one C function, which…
Read MoreObjective-C Decision Making
Decision making structures require that the programmer specify one or more conditions to be evaluated or tested by the program,…
Read MoreObjective-C Loops
There may be a situation, when you need to execute a block of code several number of times. In general,…
Read MoreObjective-C Operators
An operator is a symbol that tells the compiler to perform specific mathematical or logical manipulations. Objective-C language is rich…
Read MoreObjective-C Constants
The constants refer to fixed values that the program may not alter during its execution. These fixed values are also…
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EURO INFORMATICA & EURO ELECTRONICA – TECHSOUP
EURO INFORMATICA & EURO ELECTRONICA Evenimentul este finanțat cu ajutorul inițiativei Meet and Code (https://www.meet-and-code.org/) susținută la nivel european de…
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Graham – algorithm
Graham’s scan is a method of finding the convex hull of a finite set of points in the plane with…
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Fibonacci – recursive algorithm
Fibonacci numbers are the numbers in the following integer sequence, called the Fibonacci sequence, and characterized by the fact that…
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Graphs – related components(algorithm)
To determine connected components we use the method of access depth of a graph. Algorithm steps are: -P1: Is seeking…
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JavaScript Comments
JavaScript comments can be used to make the code more readable. JavaScript Comments Comments will not be executed by JavaScript.…
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CSS Introduction
What You Should Already Know Before you continue you should have a basic understanding of the following: HTML / XHTML…
Read MoreJava – Modifier Types and Basic Operators
Modifiers are keywords that you add to those definitions to change their meanings. Java language has a wide variety of…
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Polinom – derivate(algorithm in C)
#include<stdio.h> #include<conio.h> int a,i,j,k,n,l; void main() { printf("Gradul polinomului<20:");scanf("%d",&n); for(i=0;i<=n;i=i+1) { printf("a(%d)=",i);scanf("%d",&a); } printf("Se deriveaza de :");scanf("%d",&k); for(j=0;j<k;j++) { a=0;…
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Euclid algorithm
In mathematics, the Euclidean algorithm, or Euclid’s algorithm, is an efficient method for computing the greatest common divisor (GCD) of…
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Queue – algorithm (Sample 1)
Queue is an abstract data structure, somewhat similar to Stacks. Unlike stacks, a queue is open at both its ends.…
Read MoreJava – Basic Datatypes and Variables Types
Variables are nothing but reserved memory locations to store values. This means that when you create a variable you reserve…
Read MoreJava – Object and Classes
Java is an Object-Oriented Language. As a language that has the Object-Oriented feature, Java supports the following fundamental concepts −…
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The longest substring ascending – algorithm
We will use the term to mean that a painting long = length the longest substring starting position ascending i.If…
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Base conversion: binary, penta, octal, decimal and hexa
#include <stdio.h> #include <stdlib.h> #include <conio.h> static char digit_hexa = "0123456789ABCDEF"; static char digit_decimal = "0123456789"; static char digit_octa =…
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Tie strings – algorithm
Check equality of two strings #include <stdio.h> #include <string.h> #define TRUE 1 #define FALSE 0 #define MAX 100 int egal(char*…
Read MoreObjective-C: Variables
A variable it’s a data type and can be composed by letters, numbers and underscore character. Type: char: 1 byte(octet)…
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Objective-C: Data types
In objective-c data types are: basic types; enumerated types; type void; derived types; Integer types: char: 1 byte (-128 to…
Read MoreObjective-C: Structure of program
You can use X-Code to write your first program ‘Hello World!’: // First program example #import <Foundation/Foundation.h> int main (int…
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Sorting – Quick sort algorithm
Quicksort (sometimes called partition-exchange sort) is an efficient sorting algorithm, serving as a systematic method for placing the elements of…
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