027.Remove Element

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Test cases

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[3,2,2,3]
[3,3,3,3]
[3,2,3,3]
[3,2,1,0]
[1,2,2,3]
[1,2,3,4]

Solution 1: Accepted

This is an easy one. 

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public int removeElement(int[] nums, int val) {
  int count = 0;
  for(int i  = 0; i < nums.length; i++) {
    if (nums[i] != val) {
      nums[count] = nums[i];
      count++;
    }
  }
  return count;
}