What is the output of this program?
interface calculate {
int VAR = 0;
void cal(int item);
}
class display implements calculate {
int x;
public void cal(int item) {
if (item<2)
x = VAR;
else
x = item * item;
}
}
class interfaces {
public static void main(String args[]) {
display[] arr=new display[3];
for(int i=0;i<3;i++)
arr[i]=new display();
arr[0].cal(0);
arr[1].cal(1);
arr[2].cal(2);
System.out.print(arr[0].x+" " + arr[1].x + " " + arr[2].x);
}
}
What is the output of this program?
interface calculate {
void cal(int item);
}
class displayA implements calculate {
int x;
public void cal(int item) {
x = item * item;
}
}
class displayB implements calculate {
int x;
public void cal(int item) {
x = item / item;
}
}
class interfaces {
public static void main(String args[]) {
displayA arr1 = new displayA;
displayB arr2 = new displayB;
arr1.x = 0;
arr2.x = 0;
arr1.cal(2);
arr2.cal(2);
System.out.print(arr1.x + " " + arr2.x);
}
}
What is the output of this program?
interface calculate {
void cal(int item);
}
class display implements calculate {
int x;
public void cal(int item) {
x = item * item;
}
}
class interfaces {
public static void main(String args[]) {
display arr = new display;
arr.x = 0;
arr.cal(2);
System.out.print(arr.x);
}
}
Which of the following package stores all the standard java classes?
Which of the following is incorrect statement about packages?