Java_com_example_demo_PaperFactory_getPaper

math_paper

Function Java_com_example_demo_PaperFactory_getPaper 

Source 
#[unsafe(no_mangle)]
pub extern "system" fn Java_com_example_demo_PaperFactory_getPaper(
    env: JNIEnv<'_>,
    _class: JClass<'_>,
    grade: JString<'_>,
    number: JString<'_>,
) -> jstring