Which of the following is the correct way to declare a PostgreSQL Testcontainer field in a Spring Boot test class?

easy📝 Syntax Q3 of 15

Spring Boot - Testing Spring Boot Applications

A@Container static PostgreSQLContainer postgres = new PostgreSQLContainer("postgresql");

B@Container static PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>("postgres:latest");

C@Container PostgreSQLContainer postgres = new PostgreSQLContainer("mysql:latest");

D@Testcontainers PostgreSQLContainer postgres = new PostgreSQLContainer();

Step-by-Step Solution

Solution:

Step 1: Check correct container declaration
Testcontainers require @Container annotation on a static field for lifecycle management; the image name must be valid.
Step 2: Validate image and syntax
@Container static PostgreSQLContainer postgres = new PostgreSQLContainer<>("postgres:latest"); uses correct image "postgres:latest" and static field with @Container annotation.
Final Answer:
@Container static PostgreSQLContainer postgres = new PostgreSQLContainer<>("postgres:latest"); -> Option B
Quick Check:
Correct declaration = static @Container with valid image [OK]

Quick Trick: Use static @Container with valid image name [OK]

Common Mistakes:

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