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Java is a general-purpose computer-programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible. Java is one of the most popular and widely used programming language and platform. A platform is an environment that helps to develop and run programs written in any programming language. Java is fast, reliable and secure. From desktop to web applications, scientific supercomputers to gaming consoles, cell phones to the Internet, Java is used in every nook and corner.
Java has become the highly preferred programming language of today and future, mainly due to its compatibility and versatility. Java is used for developing mobile applications, desktop applications, web applications, web servers and application servers, games, and many more, and it can run on various platforms like Windows, different versions of UNIX, Mac etc., which proves its versatility and compatibility. Java is simple to learn and at the same time its feasibility is enormous. It will remain as the best choice of programmers, due to its robustness and data security
There are many programming languages out there. The reason why one should choose Java is its worldwide acceptability. Java code is the leading programming language in many countries. Hence it opens abundant career options to you. Java keeps on updating according to the requirements in the industry and hence keeps a stable position in the market.
Java can’t be replaced by any other language and hence demand for java developers always increase. This language is easy to learn and hence a beginner who does not have any background of programming can make use of this course.
In the present age of programming, Java is the most widely using platform in desktop, laptop, mobile and embedded applications. There is a high demand for Java programmers in top MNCs as well as in startups. If you are confident in Java programming, you have a better career path. One can secure the posts like:
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1. Basics of Java
Chapter 1 contains the basic introduction to the Java language such as
√ What is Java?
√ History and Features of Java
√ C++ vs Java
√ Hello Java Program
√ Internal How to set the path?
√ JDK, JRE, and JVM (Java Virtual Machine)
√ JVM Memory Management
√ Internal details of JVM
√ Unicode System, Operators, Keywords, and Control Statements like if-else, switch, For loop, while loop, etc.
2. Class, Object, and Types of classes
Chapter 2 deals with the most important and core concepts of Java. They are:
√ Naming convention of Java
√ Classes, Objects, and Features. It explains how to declare a class, how to create an object in Java.
√ Object declaration and initialization
√ Life cycle of an object
√ Anonymous object in JavaClass and Objects in Java with Realtime Example
3. Packages in Java
Chapter 3 deals with Packages in Java. Under this chapter, we will learn the following topics.
√ How to declare package in a company project
√ Package naming conventions
√ Sub packages
√ Types of packages such as user-defined packages, built-in packages
√ Importing packages in Java
4. Data types in Java
This chapter deals with the following topics in Java.
√ Data types in Java
√ Primitive data types
√ Non-primitive data types
√ Memory allocation of primitive and non-primitive data types, Data types in Java
5. Variables, Constants, and Literals
Chapter 5 discusses three topic variables, constants, and literals. You will learn the following subtopics in this chapter.
√ Variable declaration & initialization
√ Naming convention
√ Types of variables such as local variables, instance variables, and static variables
√ Scope and memory allocation of variables.
6. Methods in Java
√ Methods in Java
√ Use of method in Java
√ Method declaration, method signature
√ Types of methods in Java: predefined method, user-defined methods: instance method, static method
√ Calling of method
√ Java main method
√ Return type in Java.Java Methods | Declaration & Method Signature
7. Constructor in Java
In this chapter, you will familiar with topics like:
√ What is Constructor in Java?
√ Types of constructors: Default and Parameterized constructors
√ Java constructor overloading
√ Constructor chaining in java
√ Copy constructor in Java
8. Modifiers in Java
This chapter deals with topics like
√ What is Access modifier and Non-access modifier in Java?
√ Types of access modifiers like private, default, protected, and public
√ Types of Non-access modifiers like abstract, final, native, static, Strictfp, synchronized modifier, transient, volatile.
9. Static Keyword
This chapter deals with the following important topics.
√ What is Static keyword?
√ Static variable
√ Static method
√ Static block, Instance block
√ Static Nested Class in Java
√ Difference between static variable and instance variable, static method and instance method, static block, and instance block.
10. Final Keyword
Under this chapter, you will learn three important topics:
√ Final keyword
√ Final variable
√ Final method
√ Final class.
11. Inner Class in Java
This chapter deals with the following topics. They are:
√ What is Inner class in Java?, Properties of inner class, Instantiating inner class.
√ Types of inner class in Java: Normal inner class, Method local inner class, Anonymous inner class, and Static nested class.
12. Super and this Keyword
This chapter can be partitioned into two sections: Super and This keyword. The first section discusses with
√ Super keyword
√ Calling of superclass instance variable
√ Superclass constructor
√ Superclass method.
The second section deals with
√ This keyword
√ Calling of current class constructor, and method.
13. OOPs concepts
In this chapter, you will learn the most important topic Object-oriented programming system (OOPs). In the OOPs concept, you will learn class, object, encapsulation, inheritance, polymorphism, and abstraction. All topics are very important for interview purposes.
14. Encapsulation
This chapter deals with the following topics in Java.
√ Encapsulation in Java
√ How to achieve Encapsulation
√ Data hiding
√ Tightly encapsulated class
√ Getter and setter method in Java
√ Naming convention of getter and setter method
15. Inheritance
This chapter deals with
√ Inheritance in Java
√ Is-A Relationship
√ Aggregation and Composition(HAS-A)
√ Types of inheritance: Single level, Multilevel, Hierarchical, Multiple, and Hybrid inheritance.
16. Polymorphism
This chapter deals with
√ Polymorphism in Java,
√ Types of polymorphism: Compile-time polymorphism and Run-time polymorphism
√ Static and Dynamic Binding
√ Method overloading
√ Method overriding
√ Rules of method overloading and method overriding, various example programs related to rules of overloading and overriding.
√ Covariant Return type
17. Abstraction
In this chapter, you will familiarize with the most important topics in Java.
√ Abstraction in Java
√ Abstract class
√ Abstract method
√ Interface in Java
√ Nested interface, rules, and example programs.
18. Garbage Collection
This chapter deals with garbage collection in Java.
19. Input Output Stream
In this chapter, you will learn topics like
√ FileOutputStream, FileInputStream
√ BufferedOutputStream, BufferedInputStream
√ SequenceInputStream
√ ByteArrayOutputStream, ByteArrayInputStream
√ DataOutputStream, DataInputStream
√ Java FilterOutputStream, Java FilterInputStream
√ Java ObjectStream, Java ObjectStreamField
√ Console
√ FilePermissionWriter, Reader, FileWriter, FileReader
√ BufferedWriter, BufferedReader
√ CharArrayReader, CharArrayWriter
√ PrintStream, PrintWriter
√ OutputStreamWriter, InputStreamReader
√ PushbackInputStream, PushbackReader
√ StringWriter, StringReader
√ PipedWriter, PipedReader
√ FilterWriter, FilterReader, File FileDescriptor, RandomAccessFile, and java.util.Scanner.
20. Collections Framework
This chapter is one of the most favorite chapters of the interviewer. It deals with the following important topics like
√ What is Collections Framework?
√ List, Set, SortedSet, Queue, Deque, Map, Iterator, ListIterator, and Enumeration.
√ ArrayList, LinkedList, HashSet, LinkedHashSet, TreeSet, ArrayDeque, PriorityDeque, EnumSet, AbstractCollection, AbstractList, AbstractQueue, AbstractSet, and AbstractSequentialList.
√ Map, Map Entry, SortedMap, and NavigableMap
√ HashMap, LinkedHashMap, TreeMap, IdentityHashMap, WeakHashMap, and EnumMap.
√ Comparator, RandomAccess interfaces as well as Observable class.
21. Serialization
This chapter deals with Serialization, Deserialization, and Java transient keyword.
22. Exception Handling in Java
This chapter is very important for any Java technical test or Java technical interview. In this chapter, you will familiar with
√ Exception Handling in Java
√ Try-catch block
√ Multiple Catch Block
√ Nested try block
√ Finally block
√ Throw Keyword
√ Throws Keyword
√ Throw vs Throws, Final vs Finally vs Finalize
√ Exception Handling with Method Overriding Java Custom Exceptions
23. Java Annotations
This chapter deals with Java annotations, Built-In Java annotations like @Override, @SuppressWarnings, @Deprecated, @Target, @Retention, @Inherited, @Documented, Java custom annotations, and types of annotations.
24. Reflection in Java
√ Reflection API
√ NewInstance() & Determining the class object
√ Javap tool, Creating javap tool
√ Creating applet viewer
√ Accessing private method from outside the class
25. Java Array
This chapter deals with
√ Java Array
√ Types of array: single dimensional array, multidimensional array, declaration, instantiation, and initialization of Java array
√ Passing array to a method
√ Anonymous array in Java
√ Cloning an array in Java
26. String, String Buffer, String Builder
This is the most important chapter in the whole core java. It will deal with basically three topics such as
√ String,
√ Immutable String
√ String Comparision, String concatenation
√ Substring
√ StringBuffer class
√ StringBuilder class
√ toString method
√ StringTokenizer class
27. Java Thread
√ Java multithreading
√ Multithreading life cycle of a thread creating
√ Thread scheduler
√ Sleeping a thread, Start a thread twice
√ Calling run() method
√ Joining a thread
√ Naming a thread
√ Thread priority,
√ Daemon thread
√ Thread pool
√ Thread group
√ Shutdownhook
√ Java Synchronization: synchronized method, synchronized block, static synchronization
√ Deadlock
√ Inter-thread Communication
√ Interrupting Thread
28. JDBC
This chapter deals with
√ JDBC Drivers
√ Steps to connect to Database
√ Connectivity with Oracle
√ Connectivity with MySQL
√ Connectivity with Access without DSN
√ DriverManager
√ Types of JDBC statements: Statement, Prepared statement, Callable statement
√ Database Metadata, Resultset Metadata
√ ResultSet, types of ResultSet,
√ Storing image, Retrieving image
√ Storing file, Retrieving file, Stored procedures, and functions
√ Transaction Management
√ Batch Processing
√ JDBC New Features, Mini Project, and interview questions.
29. Agile
In this chapter, you will familiar with
√ Agile model
√ Advantages, and Disadvantages of Agile model
√ Agile versus Waterfall method
√ Important terminology: Scrum, Scrum Master, Flow of Agile Implementation, Sprint, and Burn down Charts.
30. Design Pattern
In design pattern chapter, you will learn
√ Singleton Object
√ Singleton design pattern with Serialization
√ Factory Pattern
√ Abstract Factory.
31. Database
Trinity technologies is a premier IT training institute in Thiruvananthapuram with 10+ years of excellence. Trinity Technologies provide the best java training in Trivandrum. We offer training on Java programming with advanced lab facilities. Our aim is to make an absolute beginner to a professional. This course is designed such that, one can learn by doing hands-on projects. We provide complete assistance to a student until the completion of the course.
