Eclipse常用快捷键
转载在网上搜eclipse快捷键，可以搜出一大堆，大多罗列了n多
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Java中Object转String
在java项目的实际开发和应用中，常常需要用到将对象转为Stri
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Add Binary
Add BinaryGiven two binary strings, return their sum (also a binary string).
For example,a = “11”b = “1”Return “100”.
java思路：先
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String to Integer (atoi)
String to Integer (atoi)Implement atoi to convert a string to an integer.
Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are
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Valid Palindrome
Valid PalindromeGiven a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
For example,“A man, a plan, a canal: Panama” is a palindrome
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evaluate-reverse-polish-notation
evaluate-reverse-polish-notationEvaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another expression.Some examples
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Copy list with random pointer
138. Copy List with Random PointerA linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.
Return a deep copy of the list.&#x
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gas station
There are N gas stations along a circular route, where the amount of gas at station i isgas[i].You have a car with an unlimited gas tank and it costscost[i]of gas to travel from station i to its next
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candy
135. CandyThere are N children standing in a line. Each child is assigned a rating value.
You are giving candies to these children subjected to the following requirements:
Each child must have at leas
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leetcode中等题
338. Counting BitsGiven a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ num calculate the number of 1’s in their binary representation and return them
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