Q1. Given: 

A. X XX 

B. X Y X 

C. Y Y X 

D. Y YY 

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Q2. Given: 

What is result? 

A. Successful 

B. Unsuccessful 

C. Compilation fails 

D. An exception is thrown at runtime 

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Q3. Consider following method 

Which statement is true? 

A. This method is invalid. 

B. This method can be used only in an interface. 

C. This method can return anything. 

D. This method can be used only in an interface or an abstract class. 

E. None of above. 

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Q4. public class ForTest { 

public static void main(String[] args) { 

int[] arrar = {1,2,3}; 

for ( foo ) { 

} 

} 

} 

Which three are valid replacements for foo so that the program will compiled and run? 

A. int i: array 

B. int i = 0; i < 1; i++ 

C. ;; 

D. ; i < 1; i++ 

E. ; i < 1; 

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Q5. Given: 

How many objects have been created when the line / / do complex stuff is reached? 

A. Two 

B. Three 

C. Four 

D. Six 

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Q6. Which two items can legally be contained within a java class declaration? 

A. An import statement 

B. A field declaration 

C. A package declaration 

D. A method declaration 

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Q7. Given: 

public class Painting { 

private String type; 

public String getType() { 

return type; 

} 

public void setType(String type) { 

this.type = type; 

} 

public static void main(String[] args) { 

Painting obj1 = new Painting(); 

Painting obj2 = new Painting(); 

obj1.setType(null); 

obj2.setType("Fresco"); 

System.out.print(obj1.getType() + " : " + obj2.getType()); 

} 

} 

What is the result? 

A. : Fresco 

B. null : Fresco 

C. Fresco : Fresco 

D. A NullPointerException is thrown at runtime 

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Q8. Given: 

class Sports { 

int num_players; 

String name, ground_condition; 

Sports(int np, String sname, String sground){ 

num_players = np; 

name = sname; 

ground_condition = sground; 

} 

} 

class Cricket extends Sports { 

int num_umpires; 

int num_substitutes; 

Which code fragment can be inserted at line //insert code here to enable the code to compile? 

A. Cricket() { 

super(11, "Cricket", "Condidtion OK"); 

num_umpires =3; 

num_substitutes=2; 

} 

B. Cricket() { 

super.ground_condition = "Condition OK"; 

super.name="Cricket"; 

super.num_players = 11; 

num_umpires =3; 

num_substitutes=2; 

} 

C. Cricket() { 

this(3,2); 

super(11, "Cricket", "Condidtion OK"); 

} 

Cricket(int nu, ns) { 

this.num_umpires =nu; 

this.num_substitutes=ns; 

} 

D. Cricket() { 

this.num_umpires =3; 

this.num_substitutes=2; 

super(11, "Cricket", "Condidtion OK"); 

} 

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Q9. Given the code fragments: 

Which code fragment, when inserted at line ni, enables the code to print Hank? 

A. checkAge (iList, ( ) -> p. get Age ( ) > 40); 

B. checkAge(iList, Person p -> p.getAge( ) > 40); 

C. checkAge (iList, p -> p.getAge ( ) > 40); 

D. checkAge(iList, (Person p) -> { p.getAge() > 40; }); 

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Q10. Given: 

public class TestField { 

int x; 

int y; 

public void doStuff(int x, int y) { 

this.x = x; 

y =this.y; 

} 

public void display() { 

System.out.print(x + " " + y + " : "); 

} 

public static void main(String[] args) { 

TestField m1 = new TestField(); 

m1.x = 100; 

m1.y = 200; 

TestField m2 = new TestField(); 

m2.doStuff(m1.x, m1.y); 

m1.display(); 

m2.display(); 

} 

} 

What is the result? 

A. 100 200 : 100 200 

B. 100 0 : 100 0 : 

C. 100 200 : 100 0 : 

D. 100 0 : 100 200 : 

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