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slf4j交作业

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余建材

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Main.java

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

class Main {
    final static Logger log = LoggerFactory.getLogger(Main.class);
    public static void main(String[] args) {
        log.info("info, hello {}", "slf4j");
        log.error("error");
    }
    
}

运行：

javac -cp slf4j-api-1.7.30.jar Main.java

# 需要指定当前路径及依赖包路径
java -cp .:slf4j-api-1.7.30.jar:logback-classic-1.2.3.jar:logback-core-1.2.3.jar Main

输出：

6:30:03.350 [main] INFO  Main - info, hello slf4j
16:30:03.356 [main] ERROR Main - error
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