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Q101. 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 : 

Answer:


Q102. Given: 

class Mid { 

public int findMid(int n1, int n2) { 

return (n1 + n2) / 2; 

public class Calc extends Mid { 

public static void main(String[] args) { 

int n1 = 22, n2 = 2; 

// insert code here 

System.out.print(n3); 

Which two code fragments, when inserted at // insert code here, enable the code to compile and print 12? 

A. Calc c = new Calc(); int n3 = c.findMid(n1,n2); 

B. int n3 = super.findMid(n1,n3); 

C. Calc c = new Mid(); int n3 = c.findMid(n1, n2); 

D. Mid m1 = new Calc(); int n3 = m1.findMid(n1, n2); 

E. int n3 = Calc.findMid(n1, n2); 

Answer: A,D 

Explanation: 

Incorrect: 

Not B: circular definition of n3. 

Not C: Compilation error. line Calc c = new Mid(); 

required: Calc 

found: Mid 

Not E: Compilation error. line int n3 = Calc.findMid(n1, n2); 

non-static method findMid(int,int) cannot be referenced from a static context 


Q103. 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 

Answer:


Q104. Consider 

Integer number = Integer.valueOff 808.1"); 

Which is true about the above statement? 

A. The value of the variable number will be 808.1 

B. The value of the variable number will be 808 

C. The value of the variable number will be 0. 

D. A NumberFormatException will be throw. 

E. It will not compile. 

Answer:

Explanation: 

The Integer class value of 0 returns an Integer from given string. But we need to pass string which has correct format for integer otherwise it will throw a NumberFormatException. In this case we have passed string which is not an integer value (since what we passed is fractional number), so option D is correct. 


Q105. Given: 

Which code fragment, when inserted at line 9, enables the code to print true? 

A. String str2 = str1; 

B. String str2 = new string (str1); 

C. String str2 = sb1.toString(); 

D. String str2 = “Duke”; 

Answer:


Up to the immediate present 1z0-808 exam question:

Q106. Given the code fragment: 

int b = 3; 

if ( !(b > 3)) { 

System.out.println("square "); 

}{ 

System.out.println("circle "); 

System.out.println("..."); 

What is the result? 

A. square... 

B. circle... 

C. squarecircle... 

D. Compilation fails. 

Answer:


Q107. A method is declared to take three arguments. A program calls this method and passes only two arguments. What is the results? 

A. Compilation fails. 

B. The third argument is given the value null. 

C. The third argument is given the value void. 

D. The third argument is given the value zero. 

E. The third argument is given the appropriate falsy value for its declared type. F) An 

exception occurs when the method attempts to access the third argument. 

Answer:


Q108. Given the code fragments: 

What is the result? 

A. Super Sub Sub 

B. Contract Contract Super 

C. Compilation fails at line n1 

D. Compilation fails at line n2 

Answer:


Q109. Given the code fragment: 

Which code fragment, when inserted at // insert code here, enables the code to compile and and print a b c? 

A. List update (String[] strs) 

B. Static ArrayListupdate(String [] strs) 

C. Static List update (String [] strs) 

D. Static void update (String[] strs) 

E. ArrayList static update(String [] strs) 

Answer:


Q110. Given the class definitions: 

And the code fragment of the main() method, 

What is the result? 

A. Java Java Java 

B. Java Jeve va 

C. Java Jeve ve 

D. Compilation fails 

Answer: