[Solved] What is wrong with this REST controller method? @RestController public class TestController { @GetMapping("/test") public String test() { System.out.println("Test called"); } } | Spring Boot

Spring Boot - REST Controllers

What is wrong with this REST controller method?

@RestController
public class TestController {
  @GetMapping("/test")
  public String test() {
    System.out.println("Test called");
  }
}

AMethod does not return a value but has String return type

BMissing @PostMapping annotation

CClass should be annotated with @Controller instead

DMethod should be static

Step-by-Step Solution

Solution:

Step 1: Check method return type and body
The method declares a return type of String but does not return anything.
Step 2: Understand Java method requirements
All non-void methods must return a value; missing return causes compile error.
Final Answer:
Method does not return a value but has String return type -> Option A
Quick Check:
Non-void methods must return a value [OK]

Quick Trick: Non-void methods must return a value [OK]

Common Mistakes:

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What is wrong with this REST controller method?