java @Contract 的pom坐标

应用

@Contract(value = "_ -> param1", pure = true)
    int getNum(int i){
        return i;
}

pom

<dependency>
                <groupId>org.jetbrains</groupId>
                <artifactId>annotations</artifactId>
                <version>15.0</version>
                <scope>compile</scope>
</dependency>

文件地址