Help on java array2

Question

tried to solve javabat array2 problem and I got stuck on the array size, please help. Thanks
Given a non-empty array of ints, return a new array containing the elements from the original array that come before the first 4 in the original array. The original array will contain at least one 4. Note that it is valid in java to create an array of length 0.
pre4({1, 2, 4, 1}) ? {1, 2}
pre4({3, 1, 4}) ? {3, 1}
pre4({1, 4, 4}) ? {1}
Here is my code:
public int[] pre4(int[] nums) {
boolean val = true;
int count = 0;
int len = 0;
int[] temp;
temp = new int[nums.length];
for(int i = 0; i < nums.length-count; i++)
if(nums[i] == 4)
val = false;
if(val)
count += 1;
temp[i] = nums;
return temp;

Answer 1

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