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1.仅对本类可见-private2.对所有类可见 -public3.对本包和所有子类可见 -protected4.对本包可见-default（不需要修饰符） PrivateDefaultProtectedPublic同一个类1111同一个包的子类0111同一个包的非子类0111不同包的子类0011不... 阅读全文
posted @ 2017-11-07 19:57
link98
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本文转自http://www.jb51.net/article/41430.htm是我看过的介绍这些关键字比较好的文章了，所以分享一下—————————————————————————————————————————————————————————————————————————————static... 阅读全文
posted @ 2017-11-07 19:16
link98
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538. Convert BST to Greater TreeGiven a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to t... 阅读全文
posted @ 2017-11-07 11:44
link98
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606. Construct String from Binary TreeYou need to construct a string consists of parenthesis and integers from a binary tree with the preorder travers... 阅读全文
posted @ 2017-11-06 17:19
link98
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283. Move ZeroesGiven an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements.F... 阅读全文
posted @ 2017-11-05 19:56
link98
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653. Two Sum IV - Input is a BSTGiven a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum... 阅读全文
posted @ 2017-11-04 21:41
link98
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389. Find the DifferencGiven two strings s and t which consist of only lowercase letters.String t is generated by random shuffling string s and then a... 阅读全文
posted @ 2017-11-03 11:23
link98
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448. Find All Numbers Disappeared in an ArrayGiven an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others ... 阅读全文
posted @ 2017-11-02 15:05
link98
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696. Count Binary SubstringsGive a string s, count the number of non-empty (contiguous) substrings that have the same number of 0's and 1's, and all t... 阅读全文
posted @ 2017-11-01 18:03
link98
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