Java Lint Invalid — Empty Catch Invalid
Intentionally lint-bait SAMPLE java snippet (empty-catch-invalid) for rule-engine tests.
public class Sample {
static int parse(String s) {
try { return Integer.parseInt(s); }
catch (Exception e) { return 0; } // SAMPLE swallow
}
}
Specifications
- Language
- java
- Role
- lint-invalid
- Wave
- I
- Intentionally Invalid
- true
What is a .java file?
Java (.java) is a plain-text source file for the Java programming language — a statically typed, class-based, object-oriented language that compiles to JVM bytecode. It is widely used for enterprise back-ends, Android apps, and large systems, and emphasises explicit types and classes.
How to use this file
Use an example .java file to test syntax highlighters, the javac compiler, linters and formatters (Checkstyle, google-java-format), and parser or language-detection tooling.
How to use this file for testing
“Java Lint Invalid — Empty Catch Invalid” is a deterministic Novus Examples fixture for Code parsing, Syntax highlighting, Editor testing. Short, known-correct source files in many languages with classes, functions, generics, enums, and error handling — for testing parsers, linters, formatters, language detection, and diff viewers.
Documented properties for this file: lint-invalid · java. Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.
Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such — expect parsers to fail loudly rather than silently accept them.
This is a short, known-correct source file. Run it through your syntax highlighter, linter, formatter, tree-sitter grammar, or parser, and open it in the in-browser editor to tweak and re-download. Each snippet exercises comments, string escapes, literals, and language keywords.
Code examples
java empty-catch-invalid.java # single-file source, JDK 11+Related files
- javaJava — Bank account (class, record, exceptions)A realistic Java class with a package declaration, fields, a nested record, methods that throw exceptions, and formatted output — for testing highlighters, javac, Checkstyle, and parsers.
- javaJava — Hello WorldThe classic hello-world in Java — a public class with the standard main method — for testing highlighters, javac, and Java parsers.
- javaJava RecordJava record type hello for javac / highlighter fixtures.
- cC — Hello WorldThe classic hello-world in C — an include, main, and printf — for testing highlighters, C compilers, and parsers against the canonical first program.
- cC — Linked list (structs, malloc, pointers)A realistic C program: a singly linked list with a typedef struct, malloc/free memory management, pointer walking, and error handling — for testing highlighters, compilers, and static analysers.
- cC StructC struct SAMPLE for clangd / highlighter fixtures.
Generated by generation/pad_wave_i.py. Free for any use, no attribution required — license.