Description
Course Content :
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 Java
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, etc.
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.
7. Constructor in Java
In this chapter, you will familiar with topics like:
√ What is constructor
√ 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 an access modifier
√ Types of access modifiers like private, default, protected, and public
√ Types of Non-access modifiers like abstract, final, native, static, Strictfp, synchronized modifier, transient,and volatile.
9. Static Keyword
This chapter deals with the following important topics.
√ What is Static keyword?
√ 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:
√ Inner class, Properties ofthe 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
14. Encapsulation
This chapter deals with the following topics in Java.
√Introduction
√ 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
√ Inheritence
√ 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
Introduction
Type of polymorphism
Method overriding
Method overloading
√ 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.
√ Abstract class
√ Abstract method
√ 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 collection Framework?
√ List, Set, SortedSet, Queue, Deque, Map, Iterator, ListIterator, and Enumeration.
√ ArrayList, LinkedList, HashSet, LinkedHashSet, TreeSet, ArrayDeque, PriorityDeque, EnumSet, AbstractCollection, AbstractList, AbstractQueue.
√ Map, Map Entry, SortedMap, and NavigableMap
√ HashMap, LinkedHashMap, TreeMap, IdentityHashMap, WeakHashMap, and EnumMap.
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
√ 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,
24. 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
25. 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
26. 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
27. JDBC
This chapter deals with
√ JDBC Drivers
√ Steps to connect to the 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.
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