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Q121. Given: 

What is the result? 

A. 97 98 99 100 null null null 

B. 91 98 99 100 101 102 103 

C. Compilation rails. 

D. A NullPointerException is thrown at runtime. 

E. An ArraylndexOutOfBoundsException is thrown at runtime. 

Answer:


Q122. View the exhibit. 

Given the code fragment: 

Which change enables the code to print the following? 

James age: 20 

Williams age: 32 

A. Replacing line 5 with public static void main (String [] args) throws MissingInfoException, AgeOutofRangeException { 

B. Replacing line 5 with public static void main (String [] args) throws.Exception { 

C. Enclosing line 6 and line 7 within a try block and adding: catch(Exception e1) { //code goes here} catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here} 

D. Enclosing line 6 and line 7 within a try block and adding: catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here} 

Answer:


Q123. Given: 

What is the result? 

A. 200.0 : 100.0 

B. 400.0 : 200.0 

C. 400.0 : 100.0 

D. Compilation fails. 

Answer:


Q124. Which code fragment cause a compilation error? 

A. flat flt = 100F; 

B. float flt = (float) 1_11.00; 

C. float flt = 100; 

D. double y1 = 203.22; floatflt = y1 

E. int y2 = 100; 

floatflt = (float) y2; 

Answer:


Q125. Given: 

What is the result? 

A. Red 0 

Orange 0 

Green 3 

B. Red 0 

Orange 0 

Green 6 

C. Red 0 

Orange 1 

D. Green 4 

E. Compilation fails 

Answer:


Q126. boolean log3 = ( 5.0 != 6.0) && ( 4 != 5); 

boolean log4 = (4 != 4) || (4 == 4); 

System.out.println("log3:"+ log3 + nlog4" + log4); 

What is the result? 

A. log3:false log4:true 

B. log3:true log4:true 

C. log3:true log4:false 

D. log3:false log4:false 

Answer:


Q127. Which of the following can fill in the blank in this code to make it compile? 

A. abstract 

B. final 

C. private 

D. default 

E. int 

Answer:

Explanation: 

From Java SE 8, we can use static and/or default methods in interfaces, but they should be non abstract methods. SO in this case using default in blank is completely legal. Hence option C is correct. Option A is incorrect as given method is not abstract, so can't use abstract there. Options B and E are incorrect as we can't have non abstract method interface if they are not default or static. httpsy/docs.oracle.com/javase/tutorial/iava/landl/defaultmethods.html 


Q128. Given the code fragment: 

And given the requirements: 

. If the value of the qty variable is greater than or equal to 90, discount = 0.5 

. If the value of the qty variable is between 80 and 90, discount = 0.2 

Which two code fragments can be independently placed at line n1 to meet the requirements? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

E. Option E 

Answer: A,C 


Q129. Given: 

public class ScopeTest { 

int j, int k; 

public static void main(String[] args) { 

ew ScopeTest().doStuff(); } 

void doStuff() { 

nt x = 5; 

oStuff2(); 

System.out.println("x"); 

void doStuff2() { 

nt y = 7; 

ystem.out.println("y"); 

or (int z = 0; z < 5; z++) { 

ystem.out.println("z"); 

ystem.out.println("y"); 

Which two items are fields? 

A. j 

B. k 

C. x 

D. y 

E. z 

Answer: A,B 


Q130. Given: 

Given: 

public class SuperTest { 

public static void main(String[] args) { 

statement1 

statement2 

statement3 

class Shape { 

public Shape() { 

System.out.println("Shape: constructor"); 

public void foo() { 

System.out.println("Shape: foo"); 

class Square extends Shape { 

public Square() { 

super(); 

public Square(String label) { 

System.out.println("Square: constructor"); 

public void foo() { 

super.foo(); 

public void foo(String label) { 

System.out.println("Square: foo"); 

What should statement1, statement2, and statement3, be respectively, in order to produce the result? 

Shape: constructor 

Square: foo 

Shape: foo 

A. Square square = new Square ("bar"); 

square.foo ("bar"); 

square.foo(); 

B. Square square = new Square ("bar"); 

square.foo ("bar"); 

square.foo ("bar"); 

C. Square square = new Square (); 

square.foo (); 

square.foo(bar); 

D. Square square = new Square (); 

square.foo (); 

square.foo("bar"); 

E. Square square = new Square (); 

square.foo (); 

square.foo (); 

F. Square square = new Square(); 

square.foo("bar"); 

square.foo(); 

Answer: