Web Reference: Aug 26, 2015 · The problem is what the error message is saying: "the method does not override or implement a method from a supertype". You annotated both methods with the Override annotation, however, no method with the same signature (i.e. the parameters) can be found in the supertype (JsonHttpResponseHandler). Jan 16, 2026 · In this blog, we’ll break down why this error occurs, explore common scenarios in `MainActivity.java`, and provide step-by-step solutions to fix it. By the end, you’ll not only resolve the immediate issue but also learn how to prevent it in the future. Learn how to fix the 'method does not override or implement a method from a supertype' error in Java with clear explanations and code examples.
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