Core Java Syllabus | Complete Industrial Topics for 2021

This syllabus is a comprehensive study of Core Java. It contains complete industrial Java topics to learn the Java programming language in detail.

IT professionals, fresh professional, and Engineering students from all Computer science/Information Technology professional degrees can learn complete Java programming language based on industry syllabus.

Professionals from the IT industry who are currently working in other programming languages and want to switch over Java technologies can use this syllabus to enhance their knowledge of core java.

Professionals and students who want to get themselves certified in Java by SUN Certified Java Programmer (SCJP) examination can use this core java syllabus to learn and enhance their knowledge of Java during their preparation.

Complete Industrial Core Java Syllabus and Sub Topics


This syllabus is divided into 31 chapters. The following chapter name with a brief description is given below:

Core java syllabus

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 Example3. 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 JavaPackages in Java with Example Programs4. 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, etc. Data types in Java5. 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.Variables in Java | Types of Variables6. 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 

Hope that this core java syllabus will help you to know about important core java topics. All of these topics are very important for technical tests and interviews.

If you follow and study these topics nicely then you can crack any java technical interview and technical test in 2021.
Thanks for reading!!!

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