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### 2021 Jun 1z0-808 exams

Q31. Given:

A. Ym Xm2

B. Ym Xm1

C. Compilation fails

D. A ClassCastException is thrown at runtime

Q32. Given the code fragment:

What is the result?

A. Values are : [EE, ME]

B. Values are : [EE, EE, ME]

C. Values are : [EE, ME, EE]

D. Values are : [SE, EE, ME, EE]

E. Values are : [EE, ME, SE, EE]

Q33. What is the proper way to defined a method that take two int values and returns their sum as an int value?

A. int sum(int first, int second) { first + second; }

B. int sum(int first, second) { return first + second; }

C. sum(int first, int second) { return first + second; }

D. int sum(int first, int second) { return first + second; }

E. void sum (int first, int second) { return first + second; }

Q34. Given:

A. ns = 50 S = 125 ns = 125 S = 125 ns = 100 S = 125

B. ns = 50 S = 125 ns = 125 S = 125 ns = 0 S = 125

C. ns = 50 S = 50 ns = 125 S = 125 ns = 100 S = 100

D. ns = 50 S = 50 ns = 125 S = 125 ns = 0 S = 125

Q35. Given:

What is the output?

A. 2015-03-27

B. 2015-04-27

C. 2015-02-27 D. Compilation fails due to error at line 6.

E. Compilation fails due to error at line 8.

Explanation:

To create we have used following method with LocalDate class;

public static LocalDate of(intyear, int month, int dayOfMonth)

Here we need to remember that month is not zero based so if you pass 1 for month, then

month will be January.

Then we have used period object of 1 day and add to date object which makes current date

to next day, so final output is 2015-03-27. Hence option A is correct.

https://docs.oracle.com/javase/tutorial/datetime/iso/datetime.html ### Updated 1z0-808 practice exam:

Q36. Given the code fragment:

What is the result?

B. Compilation fails only at line n1.

C. Compilation fails only at line n2.

D. Compilation fails only at line n3.

E. Compilation fails at both line n2 and line n3.

Q37. Given the code fragment:

public class Test {

static String[][] arr =new String[];

private static void doPrint() {

//insert code here

public static void main(String[] args) {

String[] class1 = {"A","B","C"};

String[] class2 = {"L","M","N","O"};

String[] class3 = {"I","J"};

arr = class1;

arr = class2;

arr = class3;

Test.doPrint();

Which code fragment, when inserted at line //insert code here, enables the code to print

COJ?

A. int i = 0;

for (String[] sub: arr) {

int j = sub.length -1;

for (String str: sub) {

System.out.println(str[j]);

i++;

B. private static void doPrint() {

for (int i = 0;i < arr.length;i++) {

int j = arr[i].length-1;

System.out.print(arr[i][j]);

C. int i = 0;

for (String[] sub: arr[][]) {

int j = sub.length;

System.out.print(arr[i][j]);

i++;

D. for (int i = 0;i < arr.length-1;i++) {

int j = arr[i].length-1;

System.out.print(arr[i][j]);

i++;

Explanation:

Incorrect:

not A: The following line causes a compile error:

System.out.println(str[j]);

Not C: Compile erro line:

for (String[] sub: arr[][])

not D: Output: C

Q38. Given:

Which constructor initializes the variable x3?

A. Only the default constructor of class X

B. Only the no-argument constructor of class Y

C. Only the no-argument constructor of class Z

D. Only the default constructor of object class

Q39. Given the code fragment:

What is the result?

A. true true

B. true false

C. false false

D. false true

Q40. Given:

What will be the output?

A. Option A

B. Option B

C. Option C

D. Option D