Topic 1: Revision of Class 9 Syllabus

• 1. Object-oriented programming
  2. Operators in Java
  3. Value and Data types
  4. Conditional Constructs in Java

Topic 2: Class as the Basis of all Computation

1. Objects and Classes
2. Primitive and Composite Data Types
3. Objects as instances of a Class

Topic 3: User-Defined Methods

1. Syntax of Method
2. Ways to invoke a method
3. Pure and Impure methods
4. Using multiple methods
5. Actual and Formal Parameters

Topic 4: Constructors

1. Types of Constructors
2. Uses of Constructors
3. Difference between Method and Constructor

Topic 5: Library Classes

1. Wrapper Class and its Methods
2. Autoboxing and Unboxing

Topic 6: Encapsulation

1. Access Specifiers
2. Visibility Rules for Access Specifiers
3. Scope of Variables

Topic 7: Arrays

1. Arrays and their types
2. Search Techniques
3. Declaration
4. Initialisation
5. Accepting data in double dimensional arrays

Topic 8: String Handling

1. String Class
2. Methods of String Class
3. Implementation of String Class Methods
4. Extracting and Modifying Characters of a String