Arrays.java

import java.io.*;
import java.util.*;

public class Array {
    public int[] middleWay(int[] a, int[] b) {
	int[] ans = new int[2];
	ans[0] = a[1];
	ans[1] = b[1];
	return ans;
    }

    public int[] makeEnds(int[] nums) {
	int[] ans = new int[2];
	ans[0] = nums[0];
	ans[1] = nums[nums.length-1];
	return ans; 
    }

    public int[] fizzArray(int n) {
	int[] ans = new int[n];
	for (int i=0;i<n;i++) 
	    ans[i] = i;
	return ans;
    }

    public boolean only14(int[] nums) {
	for (int i=0;i<nums.length;i++) {
	    if (nums[i] != 1 && nums[i] != 4)
		return false;
	}
	return true;  
    }
}