Semester 1 Review 1

Give the output (type error if there is an error):

int x = 5 % 3;

System.out.print(x);

Give the ouput:

double x = 5 / 3;

System.out.println(x);

Give the ouput:

double x = (double)7 / 2;

System.out.println(x);

Sterling silver is pure silver.

• True

• False

Give the output:

System.out.println(5 + 2 * 3);

What is returned?

String s = "123";

if(s == "123")

return true;

return false;

What is returned?

String s1 = new String("apple");

String s2 = new String("apple");

if(s1 == s2)

return true;

return false;

What temperature is needed to turn graphite into diamond?

• 3000F

• 3500F

• 5000F

• 8000F

What is returned?

String s1 = new String("apple");

String s2 = new String("apple");

if(s1.equals(s2))

return true;

return false;

What is the output?

int[] b = {1, 2, 3, 4, 5, 6, 8};

int i, sum = 0;

for(i = 0; i < b.length; i++)

if(b[i]%3 == 0)

sum += b[i];

System.out.println(sum);