Oracle 1Z0-808 Online Practice Questions and Exam Preparation

Oracle 1Z0-808 Online Questions & Answers

• Question 121:

  Given the code fragment:

  

  Which two modifications, when made independently, enable the code to print joe:true: 100.0?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  E. Option E
  A. Option A
  C. Option C

• Question 122:

  Given the code fragments:

  

  What is the result?

  A. Compilation fails only at line n1.
  B. Compilation fails only at line n2.
  C. Tool::export Tool::export
  D. Compilation fails at both line n1 and line2.
  E. RTool::export Tool::export
  B. Compilation fails only at line n2.

  ---

  Explanation/Reference:

• Question 123:

  Given the code fragment:

  

  What is the result?

  A. S 6
  B. S 5
  C. s-1
  D. w 7
  A. S 6

  ---

  Explanation/Reference:

  Answer is A. Because String str is "Sweet Sweat" not "Sweet sweat"

  String str="Sweet Sweat";

  String str2=str.trim().charAt(6)+" " + str.indexOf("Sw",1);

  System.out.println(str2); // S 6

• Question 124:

  Given:

  public class X {

  static int i;

  int j;

  public static void main(String[] args) {

  X x1 = new X();

  X x2 = new X();

  x1.i = 3;

  x1.j = 4;

  x2.i = 5;

  x2.j = 6;

  System.out.println(

  x1.i + " "+

  x1.j + " "+

  x2.i + " "+

  x2.j);

  }

  }

  What is the result?

  A. 3 4 5 6
  B. 3 4 3 6
  C. 5 4 5 6
  D. 3 6 4 6
  C. 5 4 5 6

• Question 125:

  Given:

  

  And the commands: Javac Test.java Java Test 12345 What is the result?

  A. Number us : 12345
  B. A NullPointerException is thrown at runtime
  C. A NumberFormatException is thrown at runtime
  D. AnArrayIndexOutOfBoundException is thrown at runtime.
  A. Number us : 12345

• Question 126:

  Given the code fragment:

  

  Which statement is true?

  A. After line 8, three objects are eligible for garbage collection
  B. After line 8, two objects are eligible for garbage collection
  C. After line 8, one object is eligible for garbage collection
  D. After line 8, none of the objects are eligible for garbage collection
  C. After line 8, one object is eligible for garbage collection

• Question 127:

  Given: What is the result?

  

  A. true
  B. false
  C. -1
  C. -1

  ---

  Explanation/Reference:

  

• Question 128:

  Given the code fragment:

  

  What is the result?

  A. Sum is 600
  B. Compilation fails at line n1.
  C. Compilation fails at line n2.
  D. A ClassCastException is thrown at line n1.
  E. A ClassCastException is thrown at line n2.
  C. Compilation fails at line n2.

  ---

  Explanation/Reference:

• Question 129:

  Given the following segment of code:

  

  Which two statements, if either were true, would make the code compile? (Choose two.)

  A. MotorCycle is an interface that implements the Cycle class.
  B. Cycle is an interface that is implemented by the MotorCycle class.
  C. Cycle is an abstract superclass of MotorCycle.
  D. Cycle and MotorCycle both extend the Transportation superclass.
  E. Cycle and MotorCycle both implement the Transportation interface.
  F. MotorCycle is a superclass of Cycle.
  B. Cycle is an interface that is implemented by the MotorCycle class.
  C. Cycle is an abstract superclass of MotorCycle.

• Question 130:

  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
  A. j
  B. k