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*Based on answer choices A-E, what is the code's output?
10. Given the following code, the output is __.
class Apple
{
int i;
Apple(int n) { i = n; }
}
class Sample
{
int j;
private Sample()
{
Apple a1 = new Apple(2);
a1.i++;
j = a1.i;
}
public static void main(String args[])
{
Sample s1 = new Sample();
System.out.println(s1.j);
}
}
A. 5
B. 4
C. 3
D. 2
E. 1
*Based on answer choices A-E, what is the code's output?
9. Given the following code, the output is __.
class Apple
{
int i;
Apple(int n) { i = n; }
}
class Sample
{
public static void main(String args[])
{
Apple a1 = new Apple(2);
System.out.println(a1.i);
a1.i++;
}
}
A. 5
B. 4
C. 3
D. 2
E. 1
*Based on answer choices A-E, what is the code's output?
8. Given the following code, the output is __.
class Apple
{
int i;
Apple() { i = 3; }
}
class Sample
{
public static void main(String args[])
{
Apple a1 = new Apple();
a1.i++;
System.out.println(a1.i);
}
}
A. 5
B. 4
C. 3
D. 2
E. 1
*Based on answer choices A-E, what is the code's output?
7. Given the following code, the output is __.
class Apple { public int i=0; }
class Fruits
{
public static void main(String args[])
{
Apple a1 = new Apple();
System.out.println(a1.i);
a1.i++;
}
}
A. 1
B. compiler error
C. runtime error
D. 2
E. 0
*Based on answer choices A-E, what is the code's output?
6. Given the following code, the output is __.
class Apple { static int i; }
class Fruits
{
public static void main(String args[])
{
Apple.i = 2;
Apple a1 = new Apple();
a1.i++;
System.out.println(a1.i);
}
}
A. 5
B. 4
C. 2
D. 3
E. 0
*Based on answer choices A-E, what is the correct option?
5. Which is an acceptable declaration of a Java nested class named "Outer"?
A. public class Outer { class Inner { } }
B. public class Outer { public class Inner { } }
C. public class Outer { static class Inner { } }
D. public class Outer { private class Inner { } }
E. All of the options
*Based on answer choices A-E, what is the correct option?
4. Given the following code, which is the correct way to create an object using the
parameterized constructor?
class Elmo
{
int age;
double length;
char model;
Elmo(int a, double l, char m) { age = a; length = l; model = m; }
}
A. Elmo e1 = new Elmo('Y', 5.6, 7);
B. Elmo e1 = new Elmo(5.6, 'Y', 7);
C. Elmo e1 = new Elmo(7, 'Y', 5.6);
D. Elmo e1 = new Elmo(5.6, 7, 'Y');
E. Elmo e1 = new Elmo(7, 5.6, 'Y');
*Based on answer choices A-E, what is the code's output?
3. Given the following code, which is an "instance variable" of the "Fruits" class?
class Fruits
{
public weight;
Fruits(double w) { weight = w; int height = 10}
public setHeight() { int h = 15; }
}
A. weight
B. height
C. w
D. h
E. All of the options
*Based on answer choices A-E, what is the correct option?
2. Assuming there exists a Java class named "Fruits", which can create an instance named "f1"
of the "Fruits" class that calls the default constructor for initialization?
A. Fruits(f1) = new Fruits();
B. Fruits f1 = new();
C. Fruits f1 = new Fruits();
D. Fruits *f1 = new Fruits();
E. Fruits *f1 = new Fruits;
*Based on answer choices A-E, what option is correct?
1. Which is an acceptable declaration of a Java class named "JavaCourse"?
A. static class JavaCourse { }
B. public class JavaCourse { }
C. private class JavaCourse { }
D. protected class JavaCourse { }
E. All of the options
#339914 on Dec 2023