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WorksheetsJava Method Overloading
Total questions: 6
Worksheet time: 3mins
What will be the output of the following program?
class A
{
}
class B extends A
{
}
class C extends B
{
}
public class MainClass
{
static void overloadedMethod(A a)
{
System.out.println("ONE");
}
static void overloadedMethod(B b)
{
System.out.println("TWO");
}
static void overloadedMethod(Object obj)
{
System.out.println("THREE");
}
public static void main(String[] args)
{
C c = new C();
overloadedMethod(c);
}
}
1
2
3
4
In a class, one method has two overloaded forms. One form is defined as static and another form is defined as non-static. Is that method properly overloaded?
Yes
No
In the below Class X, is ‘method’ properly overloaded?
class X
{
int method(int i, int d)
{
return i+d;
}
static int method(int i, double d)
{
return (int)(i+d);
}
double method(double i, int d)
{
return i+d;
}
static double method(double i, double d)
{
return i+d;
}
}
Yes
No
What will be the output of the following program?
class X
{
void method(int a)
{
System.out.println("ONE");
}
void method(double d)
{
System.out.println("TWO");
}
}
class Y extends X
{
@Override
void method(double d)
{
System.out.println("THREE");
}
}
public class MainClass
{
public static void main(String[] args)
{
new Y().method(100);
}
}
1
2
3
4
Method Overriding shows static polymorphism. True or false?
True
False
In a class, One method has 4 overloaded forms. All have different access modifiers (private, default, protected and public). Is that method properly overloaded?
Yes
No
