C#.NET — Identify the correct statements among the following operators: The conditional operator (?:) returns one of two values depending on a Boolean expression. The as operator is used to perform conversions between compatible reference types. The * operator is also used to declare pointer types and dereference pointers. The -> operator combines pointer dereferencing and member access. Brackets [ ] specify array indexing, while parentheses () are used for grouping and type casts.

Introduction / Context:
This question assesses understanding of different operators in C#.NET, including conditional, casting, pointer, and array operators.

Given Data / Assumptions:

• Operator ?: is conditional.
• Operator as performs safe casting between compatible reference or nullable types.
• Operator * in unsafe contexts declares pointers or dereferences them.
• Operator -> is valid in unsafe code for member access via a pointer.
• Brackets [] are for array indexing. Parentheses () are for grouping/casts, not [].

Concept / Approach:
Cross-check each statement with the C# specification for operators.

Step-by-Step Solution:

Verification / Alternative check:
Simple tests with arrays, pointers (in unsafe code), and casting confirm these behaviors.

Why Other Options Are Wrong:
Options including 3 or 5 rely on incorrect statements.

Common Pitfalls:
Confusing [] with type casting or misremembering pointer operators from C++ vs C#.

Final Answer:
1, 2, 4