Library

Semester Final AP Computer Science

By Mickey Arnold
Last updated 10 months ago
41 Questions

What is output by the code below?
int x = 10 % 3;
System.out.print( x );

What is output by the code below?
int x = 10 / 3 ;
System.out.print( x );

What is output by the code below?
int x = 5 / 2;
System.out.print( x );

What is output by the code below?

double x = (double)5 / 2;
System.out.print( x );

What is output by the code below?

System.out.print( 10 + 5 * 2);

What is output by the code below?

System.out.print("a\tc" );

What is output by the code below?
public static void main(String args[ ] )
{
}

What is output by the code below?
String s = "123";
if(s.equals("123"))
out.println("true");
else
out.println("false");

What is output by the code below?
String s = "abcdef";
out.println( s );

In Java, every program statement ends with a what ?

What is output by the code below?
Scanner s = new Scanner("a b cd e");
String result = "";
while( s.hasNext() )
{
result = result + s.next();
}
out.println(result);

What is output by the code below?
int x = 0;
String w = "abcdefghixk";
for(x=w.length()-1; x>=0; x=x-2)
{
out.print(w.charAt(x));
}

What is output by the code below?
for(int x=5; x < 20; x=x+3)
System.out.print(x + " ");

What is output by the code below?
int x = 66;
if ( x == 67 )
System.out.print("67" );
else
System.out.println("!67");

What is output by the code below?
System.out.println( 3 + " " + 3 );

What is output by the code below?
System.out.println( 3 + 6 );

What is the output?

System.out.println( "\"9" );

Which of the following Scanner methods can be used to read in a int?

Which of the following Scanner methods can be used to read in a double?

Which of the following Scanner methods can be used to read in a String?

What is output by the following code?
int total = 0;
for(int i=1; i <= 10; i=i+3)
for(int x=1; x <= i; x=x+2)
total = total + x;
out.println(total);

What is output by the code below?
int x=9;
do{
x--;
}while(x>5);
out.println(x);

What is output by the code below?

System.out.println( Math.sqrt(81) );

What is output by the code below?

System.out.println( Math.floor(6.7) );

What is output by the code below?

System.out.println( Math.ceil(6.7) );

What is output by the code below?

System.out.println( Math.pow(3,3) );

What is output by the code below?

String r = "abcdefghi";
out.println(r.charAt(3));

What is output by the code below?
int s=0, x=0;
while(s<=10)
{
x += s % 2;
s=s+1;
}
System.out.println( x );

What is output by the code below?
int t=1, amount=0;
do{
amount = amount + t;
t = t + 2;
}while(amount<20);
System.out.print(amount);

What is output by the code below?

String u = "abcdefghi";
out.println(u.substring(3,5));

What is output by the code below?

String v = "abcdefghi";
out.println(v.indexOf(‘d’));

What is output by the code below?
String w = "abcdefghi";
out.println(w.indexOf(‘x’));

What is output by the code below?
Scanner chop = new Scanner("1 2 3 4 5");
int x = 0;
while(chop.hasNextInt())
{
x += + chop.nextInt();
}
System.out.println( x );

What is output by the code below?
Scanner chopper = new Scanner("a b c d e");
out.print(chopper.next());
out.print(chopper.next());
out.print(chopper.next());

What is output by the code below?
String r = "abcdefghi";
System.out.println(r.substring(3,r.length()));

What is output by the code below?
String r = "racecar";
System.out.println(r.lastIndexOf('a'));

Which of the following can appear anywhere in a variable name
I. numbers
II. underscores
III. money signs
IV. alphabetic characters

What is output by the code below?
public static int go2(int i)
{
int sum = 0;
for(int j = 0;j<i;j++)
sum+=j*2+1;
return sum;
}
////////////////////////////////////////////////////////////////////////////////////
//client code in the main of a runner class
System.out.println(go2(6));

What is output by the code below?
int x = 3 % 10;
System.out.print( x );

What is output by the code below?
double x = 5 / 2;
System.out.print( x );

What is output by the code below?
System.out.print( 10 * 6 / 4);