82 

What is the result?
(A) Compilation succeeds.
(B) Compilation fails due to multiple errors.
(C) Compilation fails due to an error only on line 20.
(D) Compilation fails due to an error only on line 21.
(E) Compilation fails due to an error only on line 22. 

(AB) Compilation fails due to an error only on line 12.

78 A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class? (Choose Three.)  1. The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar.  2. The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar.  3. The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class.  4. The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar.  5. The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp /foo/myLib.jar/Paper Book.java  6. The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -d /foo/myLib.jar Book.java 7. The JAR file is located at foo/myLib.jar and the Book class is compiled using javac -classpath /foo/myLib.jar Book.java (A) 123 (B) 247 (C) 567 (D) 147

79 What is the result of executing XMLMessage.main? (A) text (B) Compilation fails. (C) ＜msg＞text＜/msg＞ (D) An exception is thrown at runtime.

80 What is the result? (A) w-f (B) f-p w-f (C) w-f b-f (D) f-p w-f b-f (E) Compilation fails. (AB) An exception is thrown at runtime.

81 What is the result? (A) The file will compile without error. (B) Compilation fails. Only line 7 contains an error. (C) Compilation fails. Only line 12 contains an error. (D) Compilation fails. Only line 13 contains an error. (E) Compilation fails. Only lines 7 and 12 contain errors. (AB) Compilation fails. Only lines 7 and 13 contain errors. (AC) Compilation fails. Lines 7, 12, and 13 contain errors.

83 Which three statements are true? (Choose three.)  1. Compilation fails.  2. The code compiles and the output is 2.  3. If lines 16, 17 and 18 were removed, compilation would fail.  4. If lines 24, 25 and 26 were removed, compilation would fail.  5. If lines 16, 17 and 18 were removed, the code would compile and the output would be 2.  6. If lines 24, 25 and 26 were removed, the code would compile and the output would be 1. (A) 256 (B) 146 (C) 356 (D) 123

84 What is the result? (A) Afoo Afoo (B) Afoo Bfoo (C) Bfoo Afoo (D) Bfoo Bfoo (E) Compilation fails. (AB) An exception is thrown at runtime.

85 What is the result? (A) peep (B) bark (C) meow (D) Compilation fails. (E) An exception is thrown at runtime.

86 What are four valid examples of polymorphic method calls? (Choose four.)  1. x.a2();  2. z.a2();  3. z.c1();  4. z.a1();  5. y.c1(); 6. x.a1(); (A) 1246 (B) 123456 (C) 2345 (D) 13465

87 A team of programmers is involved in reviewing a proposed design for a new utility class, After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself. What design issue has the team discovered? (A) Tight coupling (B) Low cohesion (C) High cohesion (D) Loose coupling (E) Weak encapsulation (AB) Strong encapsulation

88 Which Three statements are true? (Choose Three.)  1. A final method in class X can be abstract if and only if X is abstract.  2. A protected method in class X can be overridden by any subclass of X.  3. A private static method can be called only within other static methods in class X.  4. A non-static public final method in class X can be overridden in any subclass of X.  5. A public static method in class X can be called by a subclass of X without explicitly referencing the class X.  6. A method with the same signature as a private final method in class X can be implemented in a subclass of X.  7. A protected method in class X can be overridden by a subclass of X only if the subclass is in the same package as X. (A) 123 (B) 456 (C) 256 (D) 1256