Question 11

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Suppose class A extends class B and has one constructor. In which of the following situation the first statement in As constructor must be super()?

B class has no constructors

B class has private fields

B class has only one constructor, which takes parameters

B class has one constructor, which does not take any parameter

Question 12

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Consider the following block of code.

//class 1

public class PointXY{

private int x,y;

public Point(int x,int y){

this.x=x;

this.y=y; }

public int getX(){ return x;}

public int getY(){return y;}

//class 2

public class Poly{

private ArrayList Po;

public Poly(){ Po=new ArrayList(); }

public void add(Point p){Po.add(p); }

public int getX(int j){ return Missing code };

}

Which of the following code should be place in Missing code in the Poly class?

Po.getX().get(j)

Po.getX(j)

Error

Po.get(j).getX()

Question 13

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what is the result of the following code.

int i=7, x;

x=Math.sqrt(i/2);

System.out.println(x);

3

Error

3.5

1.7

Question 14

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The following block of code is used to calculate and display sum of following numbers 7,8,9.25.

int counter=0, sum=0;

while(counter

which of the following option is correct?

The output will be sum of 7 till 24, 25 will not include

The total will be 25

The final result will be correct

No Output

Question 15

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Given following block of code

String str="ALAMAL";

int I=str.substring(1,3).indexOf("A");

what is the value of I?

2

0

1

3

Question 11 Not yet answered Marked out of 1.00 P Flag question Suppose class A extends class B and has one constructor. In which of the following situation the first statement in A's constructor must be super()? O B class has no constructors O B class has private fields B class has only one constructor, which takes parameters B class has one constructor, which does not take any parameter Question 12 Not yet answered Marked out of 1.00 Flag question Question 12 Not yet answered Marked out of 100 Flag Gestion Consider the following block of code class 1 public class Point private int xy public Point(int x, int y this yay:) public int getxo return x) public int goty){return y:) Mclass 2 public class Poly private ArrayList Po public Poly Pounew ArrayList():) public void add(Point p)Po add(p) public int getX(int i) return Missing code: Which of the following code should be place in Missing code in the Polyclass? Ponetx.geto o Pogetxin O Error O Poget().getxo)