QUESTION #2 (SELF-CHECK)
SOLUTIONS
A)
int[] primes = {2, 3, 5, 7, 11, 13, 17, 19};
System.out.println(Arrays.toString(primes));
B)
int[] faves = new int[5];
faves[0] = 13;
faves[1] = 7;
faves[2] = 0;
faves[3] = 314;
faves[4] = 60;
System.out.println(Arrays.toString(faves));
C)
boolean[] flags = new boolean[40];
for (int i=0; i<flags.length; i++)
{
if (i % 2 == 0) //if even index
{
flags[i] = true;
}
else //odd index
{
flags[i] = false;
}
}
System.out.println(Arrays.toString(flags));
D)
int[] arr = new int[10];
for (int i=0; i<arr.length; i++)
{
arr[i] = i * 2;
}
System.out.println(Arrays.toString(arr));
Note: In the above example, I
named the control variable i. But based on the question, perhaps I
should have used j.
E)
int[] fib = new int[10];
fib[0] = 1;
fib[1] = 1;
for (int i=2; i<fib.length; i++)
{
fib[i] = fib[i-1] + fib[i-2];;
}
System.out.println(Arrays.toString(fib));
Note the above code will output:
[1,
1, 2, 3, 5, 8, 13, 21, 34, 55]
F)
double[] results = {9.6, 9.5, 9.9, 10.0, 9.4};
for (int i = 0; i < results.length; i++)
{
System.out.println(results[i]);
}
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