a) Iterative enhancement model
b) Waterfall model
c) Spiral model
d) any of the above
Answer: d
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What will be the output of the following Java program?
class A
{
int i;
}
class B extends A
{
int j;
void display()
{
super.i = j + 1;
System.out.println(j + ” ” + i);
}
}
class inheritance
{
public static void main(String args[])
{
B obj = new B();
obj.i=1;
obj.j=2;
obj.display();
}
}What will be the output of the following Java program?
class A {
int i;
void display() {
System.out.println(i);
} }
class B extends A {
int j;
void display()
{
System.out.println(j);
}
}
class inheritance_demo {
public static void main(String args[])
{
B obj = new B();
obj.i=1;
obj.j=2;
obj.display();
} }Which of these is correct way of inheriting class A by class B?
A class member declared protected becomes a member of subclass of which type?
Which of this keyword must be used to inherit a class?
What will be the output of the following Java code? class A
{
public int i;
protected int j;
}
class B extends A
{
int j;
void display()
{
super.j = 3;
System.out.println(i + ” ” + j);
}
}
class Output
{
public static void main(String args[])
{
B obj = new B();
obj.i=1;
obj.j=2;
obj.display();
}
}What will be the output of the following Java code?
class A
{
int i;
void display()
{
System.out.println(i);
}
}
class B extends A
{
int j;
void display()
{
System.out.println(j);
}
}
class method_overriding
{
public static void main(String args[])
{
B obj = new B();
obj.i=1;
obj.j=2;
obj.display();
}
}
}
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