java双亲委派设计bootstrap

java双亲委派为啥要先往上传，父加载器不行然后又向下传回来，为什么不设计为直接从bootstrap开始往下尝试？来源：云原生后端社区 https://www.yuque.com/server_mind/answer

[深圳-后端-小峰]java双亲委派为啥要先往上传，父加载器不行然后又向下传回来，为什么不设计为直接从bootstrap开始往下尝试？来源：云原生后端社区https://www.yuque.com/server_mind/answer

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