[Solved] Identify the error in this method:@GetMapping("/user") public String getUser(@RequestParam int id, @RequestParam String name) { return name + "... }When called with URL /user?id=5, what happens? | Spring Boot

Spring Boot - REST Controllers

Identify the error in this method:

@GetMapping("/user")
public String getUser(@RequestParam int id, @RequestParam String name) {
    return name + " with ID " + id;
}

When called with URL /user?id=5, what happens?

AReturns 'null with ID 5'

BRuntime error due to missing 'name' parameter

CReturns ' with ID 5'

DReturns 'name with ID 5'

Step-by-Step Solution

Solution:

Step 1: Check required parameters
Both 'id' and 'name' are required by default. URL provides only 'id'.
Step 2: Understand missing parameter effect
Missing 'name' causes Spring to throw a runtime error for missing required parameter.
Final Answer:
Runtime error due to missing 'name' parameter -> Option B
Quick Check:
Missing required param causes error [OK]

Quick Trick: All required params must be present or error occurs [OK]

Common Mistakes:

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