[Solved] What will happen if a method throws a checked exception but the caller does not handle or declare it?void caller() { callee(); } void callee() throws IOException { throw new IOException(); } | Java

Java - Custom Exceptions

What will happen if a method throws a checked exception but the caller does not handle or declare it?

void caller() {
  callee();
}
void callee() throws IOException {
  throw new IOException();
}

ACompilation error due to unhandled checked exception

BRuntime exception occurs

CException is ignored and program runs

DProgram terminates silently

Step-by-Step Solution

Solution:

Step 1: Identify checked exception rules
Checked exceptions must be either caught or declared in the calling method's signature.
Step 2: Check caller method declaration
The caller method neither catches nor declares the IOException, causing a compilation error.
Final Answer:
Compilation error due to unhandled checked exception -> Option A
Quick Check:
Checked exceptions cause compile errors if not handled [OK]

Quick Trick: Checked exceptions must be caught or declared [OK]

Common Mistakes:

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