[Free] 2019(Nov) EnsurePass Oracle 1z0-808 Dumps with VCE and PDF 31-40

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Question No.31

Which three statements are true about the structure of a Java class?

  1. A public class must have a main method.

  2. A class can have only one private constructor.

  3. A method can have the same name as a field.

  4. A class can have overloaded static methods.

  5. The methods are mandatory components of a class.

  6. The fields need not be initialized before use.

Correct Answer: ACE

Question No.32

The following grid shows the state of a 2D array:

image

This grid is created with the following code:

image

Which line of code, when inserted in place of //line n1, adds an X into the grid so that the grid contains three consecutive X#39;s?

A. grid[1][3] = `X#39;;

B. grid[3][1] = `X#39;;

C. grid[0][2] = `X#39;;

D. grid[2][0] = `X#39;;

E. grid[1][2] = `X#39;;

Correct Answer: C

Question No.33

fragment:

image

Which two modifications should you make so that the code compiles successfully?

image

  1. Option A

  2. Option B

  3. Option C

  4. Option D

  5. Option E

Correct Answer: AC

Question No.34

Given: class Test int a1;

public static void doProduct(int a) { a = a * a;

)

public static void doString(StringBuilder s) { s.append(quot; quot; s);

}

public static void main(String[] args) { Test item = new Test();

item.a1 = 11;

StringBuilder sb = new StringBuilder(quot;Helloquot;); Integer i = 10;

doProduct(i); doString(sb); doProduct(item.a1);

System.out.println(i quot; quot; sb quot; quot; item.a1);

}

}

What is the result?

  1. 10 Hello Hello 11

  2. 10 Hello Hello 121

  3. 100 Hello 121

  4. 100 Hello Hello 121

  5. 10 Hello 11

Correct Answer: B

Question No.35

Given:

image

What is the result?

  1. Area is 6.0

  2. Area is 3.0

  3. Compilation fails at line n1

  4. Compilation fails at line n2.

Correct Answer: D

Question No.36

Given:

image

What is the result?

A.

3 4 5 6

B.

3 4 3 6

C.

5 4 5 6

D.

3 6 4 6

Correct Answer: C

Question No.37

Given the code fragments:

image

Which modification enables the code to compile?

  1. Replace line n1 with:import p1.*;Replace line n2 with:import p1. p2.*;

  2. Replace line n1 with:import p1. A;Replace line n2 with:import p1.*;

  3. Replace line n1 with:import p1. A;Replace line n2 with:import p1. A;import p1. p2.B ;

  4. Replace line n1 with:import p1;Replace line n2 with:import p1;import p1. p2;

Correct Answer: C

Question No.38

Given the code fragment:

image

What is the result?

  1. Invalid Name

  2. Invalid Nameomas

  3. Invalid Nameomasnullnull

  4. omasterseph

Correct Answer: C

Question No.39

Given:

image

And given the code fragment:

image

Which two modifications enable the code to print the following output?

Canine 60 Long

Feline 80 Short

  1. Replace line n1 with:super ();this.bounds = bounds;

  2. Replace line n1 with:this.bounds = bounds;super ();

  3. Replace line n2 with:super (type, maxSpeed);this (bounds);

  4. Replace line n1 with:this (quot;Caninequot;, 60);this.bounds = bounds

  5. Replace line n2 with:super (type, maxSpeed);this.bounds = bounds;

Correct Answer: A

Question No.40

Given the code fragment:

image

What is the result?

  1. Match 1

  2. Match 2

  3. No Match

  4. A NullPointerException is thrown at runtime.

Correct Answer: B

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