Basic Syntax
9 Topicsā¢9 Completedā¢
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1
Keywords and Identifiers
Reserved words and naming conventions
Common interview questions about reserved keywords
2
Data Types
Primitive and reference types in Java
Difference between primitive and wrapper classes
3
Variables
Declaration, initialization, and scope
Variable scope and lifecycle in interviews
4
Operators
Arithmetic, relational, logical, bitwise operators
Operator precedence and behavior frequently tested
5
Type Casting and Conversion
Implicit and explicit type conversion
Important for understanding data type compatibility
6
Input and Output
Scanner, BufferedReader, System.out
Handling user input and output is fundamental
7
Comments
Single-line, multi-line, and documentation comments
Writing clean, documented code is crucial
8
Literals
Integer, floating-point, character, string, boolean literals
9
Wrapper Classes
Integer, Double, Boolean, etc.
Autoboxing and unboxing questions