Fix the broken toString method in Storage.java

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Issue description

Bug report: The toString() method in Storage.java is missing. Calling storage.toString() returns the default Object hash.

Context retrieval (initial prompt)

Searching for class Storage and related methods in the project codebase...

Context retrieval agent (API selection)💬

search_class("Storage") search_method_in_class("toString","Storage") Found: src/main/java/duke/Storage.java class: Storage fields: file (File), input (String) methods: push(String), initialiseFile()

Agent-selected API calls

get_code_snippet("Storage", "push") get_code_snippet("Storage","initialiseFile") Collected 2 method bodies for context.

Context retrieval (round 0)

Analyzing Storage class structure... Identified missing toString() method. Checking field types for representation.

Context retrieval agent (API selection)💬

search_code_in_file("input","Storage.java") Buggy location identified: file: src/main/java/duke/Storage.java class: Storage intended_behavior: "Add toString() that returns Storage[input=value] when set, Storage[input=not set] otherwise."

Context retrieval (analyze prompt)

Context sufficient. Proceeding to patch generation with identified location and intended behavior specification.

Patch generation💬

Generating patch for Storage.java... Adding @Override toString() with null/empty check on input field. Patch generated successfully.

Patch for Storage.java

@@ -16,6 +16,15 @@ public class Storage {

this.file = new File(filePath);

}

+ @Override

+ public String toString() {

+ if (input != null && !input.isEmpty()) {

+ return "Storage[input=" + input + "]";

+ } else {

+ return "Storage[input=not set]";

+ }

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