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Classes Part 1 Test

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Last updated almost 2 years ago
21 questions
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20
Question 1
1.

What is output by the code below?

System.out.println( Math.floor(9.567) );

Question 2
2.

What is output by the code below?

System.out.println( Math.ceil(7.23) );

Question 3
3.

What is output by the code below?
System.out.println( Math.pow(6,2) );

Question 4
4.

What is output by the code below?

System.out.println( (int)Math.pow( Math.sqrt(60),2) );

Question 5
5.

What is output by the code below?
System.out.println( Math.pow( Math.sqrt(25),2) );

Question 6
6.

What is output by the code below?
System.out.println( Math.floor(6.7) );

Question 7
7.

What is output by the code below?
System.out.println( Math.max(26,18) );

Question 8
8.

What is output by the code below?
System.out.println( Math.min(36,8) );

Question 9
9.

What is output by the code below?
System.out.println( Math.sqrt(64) );

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 ) );

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 ) );

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) );

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) );

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");
}
}

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");
}
}

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();

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();

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();

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();

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();

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.