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34 lines
812 B
Plaintext
34 lines
812 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# java
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> Java application launcher.
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> More information: <https://docs.oracle.com/en/java/javase/25/docs/specs/man/java.html>.
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- Execute a Java `.class` file that contains a main method by using just the class name:
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`java {{classname}}`
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- Execute a Java program and use additional third-party or user-defined classes:
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`java -classpath {{path/to/classes1}}:{{path/to/classes2}}:. {{classname}}`
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- Execute a `.jar` program:
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`java -jar {{filename.jar}}`
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- Execute a `.jar` program with debug waiting to connect on port 5005:
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`java -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=*:5005 -jar {{filename.jar}}`
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- Display JDK, JRE, and HotSpot versions:
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`java -version`
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- Display help:
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`java -help`
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