name = "Alice"
age = 25
print(f"Name: {name}, Age: {age}")  # Python 3.6+

try-with-resources（Java 7+）：

try (BufferedReader br = new BufferedReader(new FileReader("file.txt"))) {
    // Java 7+ 支持
}

var list = new ArrayList<String>(); // Java 10+

python --version      # 可能是Python 2.x
python3 --version     # 檢查Python 3.x版本

nohup python3 app.py > app.log 2>&1 &

nohup /usr/bin/python3 app.py > app.log 2>&1 &

python3 -m venv venv       # 創(chuàng)建虛擬環(huán)境
source venv/bin/activate   # 激活環(huán)境
nohup venv/bin/python app.py > app.log 2>&1 &

# Python 2.x 兼容寫法
logger.info("接收到的Cookie {}".format(cookie))
# 或
logger.info("接收到的Cookie %s" % cookie)

#!/usr/bin/env python3

chmod +x app.py
nohup ./app.py > app.log 2>&1 &

echo $PATH  # 查看Python路徑
which python
which python3

export JAVA_HOME=/usr/lib/jvm/java-11-openjdk  # 指定JDK 11
export PATH=$JAVA_HOME/bin:$PATH

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt
nohup venv/bin/python app.py > app.log 2>&1 &

FROM python:3.8
COPY . /app
WORKDIR /app
RUN pip install -r requirements.txt
CMD ["python", "app.py"]

docker build -t myapp .
docker run -d myapp

<properties>
    <maven.compiler.source>11</maven.compiler.source>
    <maven.compiler.target>11</maven.compiler.target>
</properties>

FROM openjdk:11
COPY target/app.jar /app.jar
CMD ["java", "-jar", "/app.jar"]

import sys
print("Python版本:", sys.version)

public class JavaVersion {
    public static void main(String[] args) {
        System.out.println("Java版本: " + System.getProperty("java.version"));
    }
}