<?php
$class = java_class("java.lang.System");
# System.in 静态常量
$in = $class::in;
$console->log(gettype($in));
$JavaTypeTester = java_class("com.m8test.script.core.impl.JavaTypeTester");
// 静态变量, 反射调用
$v = $reflectors->reflect($JavaTypeTester)->getField(null, function ($f) {
    $f->setName("STATIC_FIELD");
});
$console->log(gettype($v));