Java (13)

13 posts tagged with "Java"

November 29, 2023

Linked Lists vs. Arrays

Let's put the two data structures against each other to find out which is more efficient. —Linked List vs. Arrays Memory Allocation Arrays: takes all space even if it doesn't contain any element yet Linked List: only takes the…

1 min read

September 26, 2023

Data Structures & Algorithms I Arrays

All basic Array data structures —Arrays Arrays are the simplest data structures that uses to store a list of items. Lookup by index: O(1) Lookup by value: O(n) Insert: O(n…

1 min read

September 12, 2023

Java Higher Order Functions and Lambda (Streams)

Some basics higher order functions in Java with Streams —Movie class MovieStore class Main class

1 min read

September 04, 2023

Building a complete object oriented Car

Practice object oriented conccept by building Car and CarDealerShip classes —Java Coding Challenge Task 1: The Car class defines the following fields. BodyType should use enum Task 2: Create getter and setter methods…

1 min read

August 24, 2023

What is curl?

Make basic requests with the curl command-line tool —What is curl? curl is a command-line tool for transferring data from or to a server. It supports multiple protocols, including HTTP. In…

2 min read

August 23, 2023

Java II Inheritance and Polymorphism

Java Inheritance, Java Polymorphism, super(), final(), and @Override —Inheritance in Java Inheritance is an important feature of object-oriented programming in Java. It allows for one class (child class) to…

2 min read

August 21, 2023

Java II Access, Encapsulation, and Static Methods

The public and private keywords, Encapsulation, Accessor Methods, Mutator Methods, Local Variables, The This Keyword —The public and private keywords In Java, the keywords public and private define the access of classes, instance variables, constructors…

2 min read

August 18, 2023

Java I Arrays and ArrayLists

Index, Arrays, Array creation in Java, Changing an Element Value, Java ArrayList, Modifying ArrayLists in Java —Index An index refers to an element’s position within an array. The index of an array starts from 0 and goes up to one less than the total…

1 min read

August 18, 2023

Java Break and Continue

Java Break and Continue —Java Break You have already seen the break statement used in an earlier chapter of this tutorial. It was used to "jump out" of a…

1 min read

August 18, 2023

Java I Conditionals and Control Flow

else Statement, else if Statements, if Statement, Nested Conditional Statements, Switch Statement, AND Operator, NOT Operator, The OR Operator, Conditional Operators - Order of Evaluation —else Statement The else statement executes a block of code when the condition inside the if statement is false . The else statement…

2 min read

August 18, 2023

Java II Loops

For-each statement in Java, While loop, Do/While Loop, For Loop —Java While Loop The while loop loops through a block of code as long as a specified condition is true: The Do/While Loop The do/while…

1 min read

August 18, 2023

Java I Object-Oriented

Java objects’ state and behavior, Java instance, Java dot notation, Constructor Method in Java, Creating a new Class instance in Java, Reference Data Types, Constructor Signatures, null Values, The body of a Java method, Method parameters in Java, Java Variables Inside a Method, Returning info from a Java method, Declaring a Method —Java objects’ state and behavior In Java, instances of a class are known as objects. Every object has state and behavior in the form of…

2 min read

August 18, 2023

Java II String Methods

length() String Method in Java, concat() String Method in Java, String Method equals() in Java, indexOf() String Method in Java, charAt() String Method in Java, toUpperCase() and toLowerCase() String Methods —length() String Method in Java In Java, the length() string method returns the total number of characters – the length – of a String…

1 min read

Java

Linked Lists vs. Arrays

Data Structures & Algorithms I Arrays

Java Higher Order Functions and Lambda (Streams)

Building a complete object oriented Car

What is curl?

Java II Inheritance and Polymorphism

Java II Access, Encapsulation, and Static Methods

Java I Arrays and ArrayLists

Java Break and Continue

Java I Conditionals and Control Flow

Java II Loops

Java I Object-Oriented

Java II String Methods

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