{ "node_id": "java-cc302f033d194382add871d3e4507382", "keywords": [ "instanceof", "类型" ], "children": [ { "使用类字面常量": { "keywords": [], "children": [], "node_id": "java-76e90c4c1397452b9569be2a05553053", "title": "使用类字面常量" } }, { "动态instanceof": { "keywords": [], "children": [], "node_id": "569d5e11c4fc5de7844053d9a733c5e8", "title": "动态instanceof" } }, { "递归计数": { "keywords": [], "children": [], "node_id": "569d5e11c4fc5de7844053d9a733c5e8", "title": "递归计数" } } ], "export": [ "Instanceof.json" ], "title": "类型转换前先做检查" }