Classes Part 1 Test
By Mickey Arnold
starstarstarstarstarstarstarstarstarstar
Last updated 10 months ago
21 Questions
4 points
4
Question 1
1.
What is output by the code below?
System.out.println( Math.floor(9.567) );
What is output by the code below?
System.out.println( Math.floor(9.567) );
4 points
4
Question 2
2.
What is output by the code below?
System.out.println( Math.ceil(7.23) );
What is output by the code below?
System.out.println( Math.ceil(7.23) );
4 points
4
Question 3
3.
What is output by the code below?System.out.println( Math.pow(6,2) );
What is output by the code below?
System.out.println( Math.pow(6,2) );
4 points
4
Question 4
4.
What is output by the code below?
System.out.println( (int)Math.pow( Math.sqrt(60),2) );
What is output by the code below?
System.out.println( (int)Math.pow( Math.sqrt(60),2) );
4 points
4
Question 5
5.
What is output by the code below?System.out.println( Math.pow( Math.sqrt(25),2) );
What is output by the code below?
System.out.println( Math.pow( Math.sqrt(25),2) );
4 points
4
Question 6
6.
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.floor(6.7) );
4 points
4
Question 7
7.
What is output by the code below?System.out.println( Math.max(26,18) );
What is output by the code below?
System.out.println( Math.max(26,18) );
4 points
4
Question 8
8.
What is output by the code below?System.out.println( Math.min(36,8) );
What is output by the code below?
System.out.println( Math.min(36,8) );
4 points
4
Question 9
9.
What is output by the code below?System.out.println( Math.sqrt(64) );
What is output by the code below?
System.out.println( Math.sqrt(64) );
4 points
4
Question 10
10.
What is output by the code below?public class Fun{ public int times(int num1, int num2) { return num1 * num2; }}Fun aplus = new Fun();System.out.println( aplus.times( 8, 6 ) );
What is output by the code below?
public class Fun
{
public int times(int num1, int num2)
{
return num1 * num2;
}
}
Fun aplus = new Fun();
System.out.println( aplus.times( 8, 6 ) );
4 points
4
Question 11
11.
What is output by the code below?public class Fun{ public int times(int num1, int num2) { return num1 + num2; }}Fun aplus = new Fun();System.out.println( aplus.times( 23, 13 ) );
What is output by the code below?
public class Fun
{
public int times(int num1, int num2)
{
return num1 + num2;
}
}
Fun aplus = new Fun();
System.out.println( aplus.times( 23, 13 ) );
4 points
4
Question 12
12.
What is output by the code below?public class Fun2{ public static int times(int num1, int num2) { return num1 * num2; }}System.out.println( Fun2.times(6 , 7) );
What is output by the code below?
public class Fun2
{
public static int times(int num1, int num2)
{
return num1 * num2;
}
}
System.out.println( Fun2.times(6 , 7) );
4 points
4
Question 13
13.
What is output by the code below?public class Fun2{ public static int times(int num1, int num2) { return num1 + num2; }}System.out.println( Fun2.times(5 , 5) );
What is output by the code below?
public class Fun2
{
public static int times(int num1, int num2)
{
return num1 + num2;
}
}
System.out.println( Fun2.times(5 , 5) );
4 points
4
Question 14
14.
How many methods does Bird contain?public class Bird{ public void speak() { out.println("chirp-chirp"); } public void sayName() { out.println("baby bird"); }}
How many methods does Bird contain?
public class Bird
{
public void speak()
{
out.println("chirp-chirp");
}
public void sayName()
{
out.println("baby bird");
}
}
4 points
4
Question 15
15.
How many return methods does Bird contain?public class Bird{ public void speak() { out.println("chirp-chirp"); } public void sayName() { out.println("baby bird"); }}
How many return methods does Bird contain?
public class Bird
{
public void speak()
{
out.println("chirp-chirp");
}
public void sayName()
{
out.println("baby bird");
}
}
4 points
4
Question 16
16.
What is output by the code below?public class Test{ public void go() { out.print("A"); } public void fun() { out.print("B"); }}Test x = new Test();x.go();
What is output by the code below?
public class Test
{
public void go()
{
out.print("A");
}
public void fun()
{
out.print("B");
}
}
Test x = new Test();
x.go();
4 points
4
Question 17
17.
What is output by the code below?public class Test{ public void go() { out.print("A"); } public void fun() { out.print("B"); }}Test x = new Test();x.go();x.go();x.go();
What is output by the code below?
public class Test
{
public void go()
{
out.print("A");
}
public void fun()
{
out.print("B");
}
}
Test x = new Test();
x.go();
x.go();
x.go();
4 points
4
Question 18
18.
What is output by the code below?public class Test{ public void go() { out.print("A"); fun(); } public void fun() { out.print("B"); }}Test x = new Test();x.fun();x.go();
What is output by the code below?
public class Test
{
public void go()
{
out.print("A");
fun();
}
public void fun()
{
out.print("B");
}
}
Test x = new Test();
x.fun();
x.go();
4 points
4
Question 19
19.
What is output by the code below?public class Test{ public void go() { out.print("A"); } public void fun() { out.print("B"); go(); }}Test x = new Test();x.go();x.fun();x.fun();
What is output by the code below?
public class Test
{
public void go()
{
out.print("A");
}
public void fun()
{
out.print("B");
go();
}
}
Test x = new Test();
x.go();
x.fun();
x.fun();
4 points
4
Question 20
20.
What is output by the code below?public class Test{ public void go() { out.print("A"); stop(); } public void fun() { out.print("B"); go(); } public void stop() { out.print("C"); }}Test x = new Test();x.fun();
What is output by the code below?
public class Test
{
public void go()
{
out.print("A");
stop();
}
public void fun()
{
out.print("B");
go();
}
public void stop()
{
out.print("C");
}
}
Test x = new Test();
x.fun();
20 points
20
Question 21
21.
Write only one method named printAThis. printAThis will print out the shown below.
This Test is so "easy".I will probably get 5\5 right.
Write only one method named printAThis. printAThis will print out the shown below.
This Test is so "easy".
I will probably get 5\5 right.