Leetcode 203(Java)

Remove all elements from a linked list of integers that have value val.web Example Given: 1 –> 2 –> 6 –> 3 –> 4 –> 5 –> 6, val = 6 Return: 1 –> 2 –> 3 –> 4 –> 5svg 鏈表類問題的解決一般要復刻一個鏈表，創建一個空頭。再用兩個指針遍歷一遍鏈

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