public class Solution {
public static int removeDuplicates(int[] nums) {
int count=0;
if(nums==null||nums.length==0){
return count;
}
else{
for(int i=1;i<nums.length;i++){
if(nums[i-1]!=nums[i]){
nums[count]=nums[i-1];
count++;
}
}
nums[count++]=nums[nums.length-1];
return count;
}
}
public static void main(String[] args) {
int[] nums = {};
System.out.println(Solution.removeDuplicates(nums));
}
}
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