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原链接:传送门 前天在做系统的时候被Java中参数传递问题卡了一下,回头查阅了相关的资料,对参数传递问题有了新的了解和掌握,但是有个问题感觉还是很模糊,就是Java中到底是否只存在值传递,因为在查阅资料时,经常看到有人说Java只有值传递,但有人说既有值传递,也有引用传递,对于两个观点个人觉得应该是 阅读全文
posted @ 2017-09-30 15:28
zxzhang
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传送门 Description Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structur 阅读全文
posted @ 2017-09-30 15:28
zxzhang
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传送门 Description You have 4 cards each containing a number from 1 to 9. You need to judge whether they could operated through *, /, +, -, (, )to get th 阅读全文
posted @ 2017-09-30 15:27
zxzhang
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