Course Overview
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Intermediate Java Language
Java is a modern object oriented programming language. The Java language is more easy language when compared to C and C++. Lot of websites and applications are running using Java as it is fast, secure and reliable. Java is free to download
What are Data Structures and Algorithms in Java
Data structure means arrangement of data in a system’s memory. The characteristic of data structure includes Array, Ordered Array, Stack, Queue, Linked list, Binary tree, Red Black tree, 2-3-4 tree, Hash table, Heap and Graph. Each of these characteristics of data structures has it own advantages and disadvantages.
Algorithm means manipulating the data in these structures in different ways. The important algorithm category is sorting the data. There are several ways to sort the data. Recursion is an important concept in designing certain algorithm.
Course Objectives
At the end of this course you will be able to
- Know the basics of Object Oriented Programming
- Use all the syntax of Java programming language with ease
- Know about the data structures and algorithms used in computer programming
- Understand the way in which data is stored or arranged in your computer memory
- Know more techniques in data structures and algorithms
Pre requisites for taking this course
You need to have a basic knowledge in programming. You need to know the basics of computer. If you wanted to run the example programs then you need to have MS-DOS in Microsoft windows or a similar text based environment.
Target audience for this course
IT professionals who are dealing with Java programming can take up this course. Computer science students and anyone who is interested in learning about the Data structures and Algorithms in Java can also take up this course.
Course Description
Section 1: Introduction to Data Structure
Course Structure for DSA
This section gives a brief introduction to the Java programming language, Data structures and algorithms in Java. The section also includes the definition for few of the frequently used terms in this course like database, record, field, key and others.
More Details on DSA
This chapter tells you what are the information which will be covered in this course about data structures and algorithms in Java. It gives a chapter wise brief introduction.
Section 2: Classes and Objects
Java Objects and Classes
In this chapter we will see what are objects and classes in Java. Object includes Methods and Variables. The other topics included in this section are
- Creating and using objects
- The Dot Operator
- Defining a Class
- Modifiers – Access control, Static, Abstract, Final
- Declaring Instance variables
- Declaring Methods
Different Types of Code Constructor
Constructors are used to initialize a newly created class. The section also explains the different types of constructors like class constructor, Code constructor and argument constructor with examples of Java programs for easy understanding.
Java Keywords and Java Comments
This section gives a list of keywords in the Java Programming language. There are around 50 keywords in Java and each is explained with a brief description and an example.
Basic Java Commands are also included in this section explained using a simple Java program.
Sources File Declaration Rules
In this chapter you will learn how to write a source file in Java, behaviour of Java compiler and JVM in running and compilation.
Java Basic Data Types
Basically there are two data types in Java – Primitive and Reference/Object Data Type. Primitive data types are divided into eight and includes Byte, short, int, long, float, double, boolean and char. Each data type is given in detail with an example.
Section 3: Decision Making
Decision Making
Decision making structure in Java is where a condition is to be tested by the program and if the result of the condition is true then the particular set of statements are to be executed and if the condition fails then the other set of statements are to be executed. The decision making structure is explained with a simple program.
The different decision making statements are if statement, If else statement, nested statement and switch statement. All these statements are given in detail in this chapter.
Switch Case Program
The switch statement lets a variable to be tested for equality against a set of values. An example program is given for easy reference.
Java Loops and Control System
Loop statement in Java helps to execute a statement multiple number of times in the programming. There are different type of loops available in Java – while loop, for loop and do while loop. This section contains explanation for these loops.
Loop control statements changes the execution method from its normal way. Break statement and continue statement are different control structures.
Section 4: Numbers Class
Java Number
Numbers use primitive data type often. These are called wrapper classes which comes under number. There are a lot of instance methods that are used under number class. These methods are mentioned with a brief description in this chapter. Few methods are compareTo(), equals(), valueof() and others.
Java Lang Math
Java Lang Math is again a wrapper class which is explained in this section
Section 5: Character class
Java Character Class
This chapter contains the following topics under it
- What is a character class
- Escape sequences and example
- Character Methods and example
- Java Lang Character – Eclipse
Section 6: String Class
Java String
Strings are a sequence of characters in Java. Java offer the string class to create and manipulate strings. The major topics included under this section are
- Creating strings
- String Length
- Concatenating strings
- Creating format strings
- String methods
Section 7: Arrays
String Fundamentals
This section again explains the fundamentals of using string in Java programming language.
Array to for Each Iteration
In this chapter you will learn how to use the for each loop in Java with arrays.
Section 8: Advanced Arrays
Java Array
Array is a storage place which stores sequential collection of elements which are of same type. This tutorial contains the following sub headings
- Declaring Array variables
- Creating arrays
- Processing arrays with example
- The for each loop
- Passing arrays to methods
- Returning an array from a method
- The arrays class
Java Date and Time
The date class in Java is available in java.util package and has two constructors. The different methods of data class are also explained in detail in this section. The other topics included are
- Getting current date and time
- Date comparison
- Date formatting
- Date format codes
- Date and Time conversion characters
- Parsing strings into dates
- Measuring elapsed time
- Sleeping for a while
- Gregorian calendar class
Section 9: Regular Expressions
Java Regular Expression
Regular expression helps to find out matches of strings or set of strings using a special syntax. It can also be used to edit or manipulate the data. There are three main classes – Pattern class, Matcher class and PatternSyntax Exception.
Long String and String stream
This section helps you to understand how to convert String into an InputStream in Java.
Or Clause Situation
This section explains how the AND or OR in IF statement is used in Java. Examples are given for reference.
Example of Pattern Matching
Java has a package for pattern matching under regular expressions. This is explained under this section with few examples for easy understanding.
Study Methods
Study method reviews the string and returns a boolean value saying that the pattern is correct or not. This concept is explained under this chapter.
Append Replacement and Tail Method
The matcher class provides appendReplacement and appendTail method which is used for text replacement. These two methods are given with examples in this tutorial.
Java Methods
Java methods are collection of statements used to perform an operation. The other topics included under this chapter are
- Creating methods with example program
- Method calling
- The Void Keyword
- Passing Parameters By Value
- Method overloading
- Using Command line arguments
- The this keyword
- The constructors
- Variable arguments
- Finalize method
Section 10: Methods and File IO
Different Types of Methods in Eclipse
This chapter explains what is eclipse in java and the different perspectives of eclipse. It also lets you to learn how to install, configure and run eclipse in Java
Java Files Input and Output
Streams represent a sequence of data. The two kinds of streams InputStream and OutputStream are explained in detail under this section. This chapter also includes the following subheadings in detail with examples wherever needed.
- Byte streams
- Character streams
- Standard streams
- Reading and writing files
- File InputStream
- File OutputStream
- File navigation and I/O
- Creating and listing directories in Java
Java Exceptions
Exception arises during the execution of a problem in Java. Exception occurs because of various reasons. Three types of exceptions are Checked Exceptions, Unchecked Exceptions and Errors. The exception hierarchy and exception methods are also explained in detail in this chapter.
Section 11: OOPS Concepts
Object Oriented Concept
In this section we will learn about basics of OOPS, the concepts of OOPs in Java and advantages of OOPs.
Using The Super Keyword
The super keyword is a reference variable in Java which is used to refer parent class object. It includes the usage of Java super keyword
Virtual Methods
Virtual function or virtual method is an overridable function in Java. It is an important part of OOPs. The concept of virtual function is explained in detail under this chapter with examples.
Java Inheritance
Inheritance means the process through which the properties of one class is acquired by another. The types of inheritance are demonstrated in this chapter.
Rules for Methods Overriding
This section explains what is overriding in Java, benefits of overriding, rules for method overriding and using the super keyword with example.
Introduction Java Abstraction
Here you will learn what is abstraction, abstract classes, inheriting the abstract class and abstract methods with example.
Java Encapsulation
Encapsulation is one among the four concepts of OOP. This section explains the meaning of encapsulation in Java and the benefits of encapsulation.
Java Interfaces
Interface is a reference type in Java and is a collection of abstract methods. The other topics included in this section are
- Declaring interfaces
- Implementing Interfaces
- Extending interfaces
- Extending Multiple Interfaces
- Tagging Interfaces
Java Packages
Package means grouping of related terms. The chapter includes the following topics
- Creating a package
- Import Keyword
- Directory structure of packages
Collections In Java
Under this chapter the collection framework is explained along with its goals. The several interface of the collection framework is also included under this chapter.
Section 12: Multi Threading Overview
Contents of Multi Threading Overview
A multi thread program can handle variety of tasks at the same time. The other topics included are
- Life Cycle of a thread
- Create Thread by Implementing Runable Interface
- Create Thread by Extending Thread Class
- Methods of Threads
- Java Multithreading concepts
- Concurrent Access of Data
Section 13: Concurrency
Java Concurrency Multi Threading
Multithreading means there will be multiple threads of execution inside a single program. It is a great way to increase the performance of program. Example of Java Concurrency Multi Threading are also included in this chapter.
Section 14: Types of Concurrency
Multi Threading Benefits
This chapter includes the benefits of multithreading in Java.
Concurrency Models
In this chapter we will see what is concurrency model, parallel workers of concurrency model, types of concurrency models, assembly line, Job ordering is possible and the different types of concurrency models.
FAQ’s General Questions
- Who can take the Java training ?
This course is open for working professionals, current graduates of computer science field and also to anyone who is interested in learning this language. You don’t necessarily need to have a prior programming experience.
- What will I be able to do after completing this course ?
You will be able to write and test Java programs on your own. You will also be able to solve computational problems in Java in a new approach. It will improve your career and job performance.
Testimonials
Benjamin
The course seems to simplify all the complicated concepts of Java. The contents are made simple and crystal clear. Because of this course I understood Java technologies better than before. It was a really great feeling to take up this course.
Tifany
I am working professional. I feel so lucky to have stumbled upon this great course. It helped me a lot in understanding the basic concepts of Java easily. Now I feel great at my work place. I could apply the knowledge gained from this course directly at my work place. The examples are clearly explained which was of great help to me in understanding the concepts.
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