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NEW QUESTION # 42
Given:
You want to examine the items list it contains an item for which the variable count is below zero.
Which code fragment at line 1 accomplish this?
- A. If (items.stream () .anymatch (i -> count < 0) < 0) ) {
- B. If (items.stream () .filter (i -> count < 0) . findAny () ) {
- C. If (items.stream () .allmatch (i -> count < 0) < 0) ) {
- D. If (items.stream () .filter (i -> count < 0) . findFirst () ) {
Answer: D
NEW QUESTION # 43
Given:
What is the result?
- A. 2,34,34,5
- B. 2,34,54,5
- C. 2,54,54,5
- D. 2,34,54,3
Answer: C
Explanation:
NEW QUESTION # 44
Given:
jdeps -jdkinternals C:\workspace4\SimpleSecurity\jar\classes.jar
Which describes the expected output?
- A. jdeps outputs an error message that the -jdkinternals option requires either the -summary or the - verbose options to output to the console.
- B. The -jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.
- C. jdeps lists the module dependencies and the package names of all referenced JDK internal APIs. If any are found, the suggested replacements are output in the console.
- D. The -jdkinternals option analyzes all classes in the .jar and prints all class-level dependencies.
Answer: B
Explanation:
-jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.
NEW QUESTION # 45
Given:
What is the result?
- A. Good Night, Harry
- B. Good Morning, Harry
- C. Good Morning, Potter
- D. Good Night, Potter
Answer: D
Explanation:
NEW QUESTION # 46
Given:
Which two are secure serialization of these objects? (Choose two.)
- A. Make the class abstract.
- B. Implement only writeReplace to replace the instance with a serial proxy and not readResolve.
- C. Implement only readResolve to replace the instance with a serial proxy and not writeReplace.
- D. Declare fields transient.
- E. Define the serialPersistentFields array field.
Answer: C,E
NEW QUESTION # 47
Given:
and
checkQuality(QUALITY.A);
and
Which code fragment can be inserted into the switch statement to print Best?
- A. A.toString()
- B. A
- C. QUALITY.A.ValueOf()
- D. QUALITY.A
Answer: B
NEW QUESTION # 48
Given:
What is the result?
- A. [0,0] = Red[0,1] = White[1,0] = Black[2,0] = Blue[2,1] = Yellow[2,2] = Green[2,3] = Violet
- B. [0,0] = Red[1,0] = Black[2,0] = Blue
- C. [0,0] = Red[0,1] = White[1,0] = Black[1,1] = Blue[2,0] = Yellow[2,1] = Green[3,0] = Violet
- D. java.lang.ArrayIndexOutOfBoundsException thrown
Answer: A
Explanation:
NEW QUESTION # 49
Given:
What is the result?
- A. 6=(x+y)=42
- B. 42=(x+y)=6
- C. 42=(x+y)=42
- D. An exception is thrown at runtime.
- E. 6=(x+y)=6
Answer: A
Explanation:
NEW QUESTION # 50
Given the code fragment:
What is the result?
- A. True
- B. A java.lang.NullPointerException is thrown.
- C. A java.lang, UnsupportedOperationException is thrown.
- D. False
Answer: C
NEW QUESTION # 51
Given the code fragment:
Path currentFile = Paths.get("/scratch/exam/temp.txt");
Path outputFile = Paths get("/scratch/exam/new.txt");
Path directory = Paths.get("/scratch/");
Files.copy(currentFile, outputFile);
Files.copy(outputFile, directory);
Files.delete (outputFile);
The /scratch/exam/temp.txt file exists. The /scratch/exam/new.txt and /scratch/new.txt files do not exist.
What is the result?
- A. The program throws a FileaAlreadyExistsException.
- B. /scratch/exam/new.txt and /scratch/new.txt are deleted.
- C. The program throws a NoSuchFileException.
- D. A copy of /scratch/exam/new.txt exists in the /scratch directory and /scratch/exam/new.txt is deleted.
Answer: C
Explanation:
NEW QUESTION # 52
Given:
A) An exception is thrown at run time.
B)
C) The compilation fails due to an error on line 2.
D) The compilation fails due to an error on line 1.
E)
F)
The compilation fails due to an error on line 3.
- A. Option F
- B. Option E
- C. Option C
- D. Option B
- E. Option A
- F. Option D
Answer: E
NEW QUESTION # 53
Given:
What is the result?
- A. Joenull
- B. nullnull
- C. JoeMarry
- D. nullMary
Answer: D
Explanation:
NEW QUESTION # 54
Given:
What is the result?
- A. The compilation fails.
- B. abdf
- C. abd
- D. abcd
- E. adf
Answer: D
NEW QUESTION # 55
Which two interfaces are considered to be functional interfaces? (Choose two.)
- A. @FunctionalInterface
interface InterfaceE {
public boolean equals(int i);
int breed(int x);
} - B. @FunctionalInterface
interface InterfaceD {
int breed(int x);
} - C. @FunctionalInterface
interface InterfaceC {
public boolean equals(Object o);
int breed(int x);
int calculate(int x, int y);
} - D. interface InterfaceA {
int GERM = 13;
public default int getGERM() { return GERM; }
} - E. interface InterfaceB {
int GERM = 13;
public default int getGERM() { return get(); }
private int get() { return GERM; }
public boolean equals(Object o);
int breed(int x);
Answer: A,C
NEW QUESTION # 56 
A)
B)
C)
D)
- A. Option A
- B. Option C
- C. Option B
- D. Option D
Answer: D
NEW QUESTION # 57
Given the Customer table structure:
* ID Number Primary Key
* NAME Text Nullable
Given code fragment:
Which statement inserted on line 14 sets NAME column to a NULL value?
- A. Stmt.setNull(2, java.lang, string);
- B. Stmt.setNull(2, null);
- C. Stmt.setNull(2, java,sql. Types, VARCHAR);
- D. Stmt.setNull(2 string, class);
Answer: C
NEW QUESTION # 58
Given:
Which two constructors will compile and set the class field strings? (Choose two.)
- A. Option A
- B. Option C
- C. Option B
- D. Option E
- E. Option D
Answer: B,D
NEW QUESTION # 59
Given:
Which loop incurs a compile time error?
- A. the loop starting line 14
- B. the loop starting line 7
- C. the loop starting line 11
- D. the loop starting line 3
Answer: A
NEW QUESTION # 60
Given:
What is the result?
- A. The compilation fails at line 2.
- B. The compilation fails at line 8.
- C. The compilation fails at line 9.
- D. Hello World
Answer: D
Explanation:
NEW QUESTION # 61
Given:
What is the type of the local variable x?
- A. String
- B. char
- C. Character
- D. String[ ]
Answer: A
NEW QUESTION # 62
Given the code fragment:
What is the result?
A)
B)
C)
D)
- A. Option A
- B. Option C
- C. Option B
- D. Option D
Answer: B
NEW QUESTION # 63
Given:
What is the result?
- A. It fails to compile.
- B. A java.lang.IllegalArgumentException is thrown.
- C. 0
- D. nothing
- E. 1
Answer: A
Explanation:
NEW QUESTION # 64
Given:
It is required that if p instanceof Pair then p.isValid() returns true.
Which is the smallest set of visibility changes to insure this requirement is met?
- A. setLeft and setRight must be protected.
- B. left, right, setLeft, and setRight must be private.
- C. left and right must be private.
- D. isValid must be public.
Answer: C
NEW QUESTION # 65
Given:
After which line can we insert assert i < 0 || values[i] <= values[i + 1]; to verify that the values array is partially sorted?
- A. after line 6
- B. after line 8
- C. after line 10
- D. after line 5
Answer: A
Explanation:
NEW QUESTION # 66
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