[Solved] Which of the following method sets does NOT represent valid method overloading in Java?class Example { void compute(int x) {} int compute(int x) { return x * 2; } void compute(double x) {} } | Java

Java - Methods and Code Reusability

Which of the following method sets does NOT represent valid method overloading in Java?

class Example {
  void compute(int x) {}
  int compute(int x) { return x * 2; }
  void compute(double x) {}
}

AThe methods differ by parameter type

BThe methods differ only by return type

CThe methods differ by number of parameters

DThe methods differ by parameter order

Step-by-Step Solution

Solution:

Step 1: Identify method signatures
Method overloading requires methods to differ in parameter list (type, number, or order).
Step 2: Check the methods
Two methods have the same parameter list (int x) but different return types, which is not allowed.
Final Answer:
Methods differing only by return type are not valid overloads -> Option B
Quick Check:
Return type alone cannot overload methods [OK]

Quick Trick: Overloaded methods must differ in parameters [OK]

Common Mistakes:

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Which of the following method sets does NOT represent valid method overloading in Java?