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NEW QUESTION # 85
Which code fragment added to line 1 enables the code to compile and print Hello Joe?
- A.
- B.
- C.
- D.
Answer: B
NEW QUESTION # 86
Given:
Which is true?
- A. System.in cannot reassign the other stream.
- B. System.out is the standard output stream. The stream is open only when System.out is called.
- C. System.out is an instance of java.io.OutputStream by default.
- D. System.in is the standard input stream. The stream is already open.
Answer: D
NEW QUESTION # 87
Given:
What must be added in line 1 to compile this class?
- A. catch(FileNotFoundException e) { }catch(IndexOutOfBoundsException e) { }
- B. catch(FileNotFoundException | IOException e) { }
- C. catch(FileNotFoundException | IndexOutOfBoundsException e) { }
- D. catch(IOException e) { }
- E. catch(IndexOutOfBoundsException e) { }catch(FileNotFoundException e) { }
Answer: D
NEW QUESTION # 88
Which two statements are correct about try blocks? (Choose two.)
- A. A finally block in a try-with-resources statement executes before the resources declared are closed.
- B. A finally block must be immediately placed after the try or catch blocks.
- C. A try block must have a catch block and a finally block.
- D. catch blocks must be ordered from generic to specific exception types.
- E. A try block can have more than one catch block.
Answer: B,E
NEW QUESTION # 89
Given:
Why does D cause a compilation error?
- A. D does not define any method.
- B. D inherits a() only from C.
- C. D inherits a() from B and C but the return types are incompatible.
- D. D extends more than one interface.
Answer: C
NEW QUESTION # 90
Given the code fragment:
What is the result?
- A. 3 : 0
- B. -1 : 2
- C. 2 : -1
- D. 2 : 3
Answer: C
NEW QUESTION # 91
Given:
This code results in a compilation error.
Which code should be inserted on line 1 for a successful compilation?
- A. Consumer consumer = var arg -> {System.out.print(arg);};
- B. Consumer consumer = System.out::print;
- C. Consumer consumer = msg -> { return System.out.print(msg); };
- D. Consumer consumer = (String args) -> System.out.print(args);
Answer: B
Explanation:
NEW QUESTION # 92
Given:
Which three actions implement Java SE security guidelines? (Choose three.)
- A. Change line 3 to private Secret(String[] names) {.
- B. Change the getNames() method name to get$Names().
- C. Change line 6 to public synchronized String[] getNames() {.
- D. Change line 2 to private final String[] names;.
- E. Change line 2 to protected volatile String[] names;.
- F. Change line 4 to this.names = names.clone();.
- G. Change line 7 to return names.clone();.
Answer: A,D,E
NEW QUESTION # 93
Given:
What is the result?
- A. NullPointerException is thrown at line 10.
- B. A compilation error occurs.
- C. Hello
- D. NullPointerException is thrown at line 4.
Answer: C
Explanation:
NEW QUESTION # 94
Given:
Which two interfaces can be used in lambda expressions? (Choose two.)
- A. MyInterface1
- B. MyInterface4
- C. MyInterface5
- D. MyInterface2
- E. MyInterface3
Answer: C,D
NEW QUESTION # 95
Given:
What is the result?
- A. 0
- B. An exception is thrown at runtime.
- C. 1
- D. 2
Answer: D
Explanation:
NEW QUESTION # 96
Given:
Which statement is true about the Fox class?
- A. Fox class must implement either Forest or Town interfaces, but not both.
- B. Fox class does not have to override inhabit method, so long as it does not try to call it.
- C. Fox class does not have to override the inhabit method if Forest and Town provide compatible implementations.
- D. The inhabit method implementation from the first interface that Fox implements will take precedence.
- E. Fox class must provide implementation for the inhabit method.
Answer: C
NEW QUESTION # 97
Which two are successful examples of autoboxing? (Choose two.)
- A. Float g = Float.valueOf(null);
- B. String a = "A";
- C. Float f = 6.0;
- D. Integer e = 5;
- E. Double d = 4;
- F. Long c = 23L;
Answer: B,D
NEW QUESTION # 98
Given:
and
checkQuality(QUALITY.A);
and
Which code fragment can be inserted into the switch statement to print Best?
- A. A.toString()
- B. QUALITY.A.ValueOf()
- C. A
- D. QUALITY.A
Answer: C
NEW QUESTION # 99
Given the code fragment:
What is the result?
- A. gj hk il
- B. ghi jkl
- C. An ArrayIndexOutofBoundsException is thrown at runtime.
- D. The compilation fails.
- E. gh ij kl
Answer: C
NEW QUESTION # 100
Given:
What is the result?
- A. The program prints nothing.
- B. Orange Juice
- C. Orange Juice Apple Pie Lemmon Ice Raspberry Tart
- D. The compilation fails.
Answer: C
Explanation:
NEW QUESTION # 101
Which code is correct?
- A. Runnable r = > System.out.println("Message");
- B. Runnable r = "Message" > System.out.println();
- C. Runnable r = () -> {System.out.println("Message");};
- D. Runnable r = {System.out.println("Message")};
- E. Runnable r = () > System.out::print;
Answer: C
NEW QUESTION # 102
Given:
Which two are correct? (Choose two.)
- A. The output will be exactly 2 1 3 4 5.
- B. Replacing forEach() with forEachOrdered(), the program prints 1 2 3 4 5.
- C. The program prints 1 4 2 3, but the order is unpredictable.
- D. Replacing forEach() with forEachOrdered(), the program prints 2 1 3 4 5.
- E. Replacing forEach() with forEachOrdered(), the program prints 2 1 3 4 5, but the order is unpredictable.
Answer: B,C
Explanation:
NEW QUESTION # 103
Which two expressions create a valid Java Path instance? (Choose two.)
- A. Paths.get("foo")
- B. Paths.get(URL.create("file:///domains/oracle/test.txt"))
- C. Paths.getPath("too")
- D. new Path("foo")
- E. Path.get(new URI("file:///domains/oracle/test.txt"))
Answer: A,B
NEW QUESTION # 104
Given:
Which two lines cause compilation errors? (Choose two.)
- A. line 8
- B. line 12
- C. line 6
- D. line 7
- E. line 9
Answer: C,D
NEW QUESTION # 105
Given:
When is the readObject method called?
- A. before this object is deserialized
- B. after this object is deserialized
- C. The method is never called.
- D. before this object Is serialized
- E. after this object is serialized
Answer: B
NEW QUESTION # 106
Given:
You want to implement the java. Io, serializable interface to the MypersisteneData class.
Which method should be overriden?
- A. nothing
- B. The readExternal and writeExternal method
- C. The readExternal method
- D. The writeExternal method
Answer: B
NEW QUESTION # 107
Given:
String originalPath = "data\\projects\\a-project\\..\\..\\another-project"; Path path = Paths.get(originalPath); System.out.print(path.normalize()); What is the result?
- A. data\another-project
- B. data\projects\a-project\..\..\another-project
- C. data\projects\a-project\another-project
- D. data\\projects\\a-project\\..\\..\\another-project
Answer: B
Explanation:
NEW QUESTION # 108
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