Q1. What is the result? 

A. Valid 

B. Not valid 

C. Compilation fails 

D. An IllegalArgumentException is thrown at run time 

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Q2. Given: 

Javac Jump.java 

Java Jump crazy elephant is always 

What is the result? 

A. Lazy lion is jumping 

B. Lion is always jumping 

C. Crazy elephant is jumping 

D. Elephant is always jumping 

E. Compilation fails 

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Q3. Given: 

What three modifications are necessary to ensure that the class is being properly encapsulated? 

This class is poorly encapsulated. You need to change the circle class to compute and return the area instead. 

A. Change the access modifier of the setradius () method to private 

B. Change the getArea () method public double getArea () { return area; } 

C. When the radius is set in the Circle constructor and the setRadius () method, recomputed the area and store it into the area field 

D. Change the getRadius () method: 

public double getRadius () { 

area = Math.PI * radius * radius; 

return radius; 

} 

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Q4. What is the result? 

A. They match They really match 

B. They really match 

C. They match 

D. Nothing Prints 

E. They really match They really match 

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Q5. Given: 

What is the result? 

A. 2 4 6 8 

B. 2 4 6 8 9 

C. 1 3 5 7 

D. 1 3 5 7 9 

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Q6. Given: 

What is the result? 

A. 2 1 

B. 2 1 0 

C. null 

D. an infinite loop 

E. compilation fails 

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Q7. 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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Q8. Given the code fragment:

A. 20 

B. 25 

C. 29 

D. Compilation fails 

E. An Array Index Out Of Bounds Exception is thrown at runtime 

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Q9. Given the code fragment: 

What is the result? 

A. Found Red 

B. Found Red 

Found Blue 

C. Found Red 

Found Blue 

Found White 

D. Found Red 

Found Blue 

Found White 

Found Default 

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Q10. Given: 

What is the result? 

A. 2 4 6 8 10 12 

B. 2 4 6 8 10 12 14 

C. Compilation fails 

D. The program prints multiple of 2 infinite times 

E. The program prints nothing 

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