[Free] 2017(Jan) EnsurePass Braindumps Oracle 1z0-853 Dumps with VCE and PDF 221-230

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Java Standard Edition 5 Programmer Certified Professional Exam

Question No: 221 DRAG DROP – (Topic 3)

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Answer:

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Question No: 222 DRAG DROP – (Topic 3)

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Answer:

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Question No: 223 – (Topic 3)

Given:

  1. import java.util.*; 2.

  1. public class LetterASort{

  2. public static void main(String[] args) {

  3. ArrayListlt;Stringgt; strings = new ArrayListlt;Stringgt;();

  4. strings.add(quot;aAaAquot;);

  5. strings.add(quot;AaAquot;);

  6. strings.add(quot;aAaquot;);

  7. strings.add(quot;AAaaquot;);

  8. Collections.sort(strings);

  9. for (String s : strings) { System.out.print(s quot; quot;); }

12. }

13. }

What is the result?

  1. Compilation fails.

  2. AAaa AaA aAa aAaA

  3. aAaA aAa AAaa AaA

  4. aAa AaA aAaA AAaa

  5. AaA AAaa aAaA aAa

  6. An exception is thrown at runtime.

Answer: B

Question No: 224 – (Topic 3)

Given:

  1. public class Bar {

  2. static void foo( int… x ) {

  3. // insert code here

13. }

14. }

Which two code fragments, inserted independently at line 12, will allow the class to compile? (Choose two.)

  1. while( x.hasNext() ) System.out.println( x.next() );

  2. for( int i=0; ilt; x.length; i ) System.out.println(x[i]);

  3. foreach( x ) System.out.println(z);

  4. for( int z : x ) System.out.println(z);

Answer: B,D

Question No: 225 DRAG DROP – (Topic 3)

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Question No: 226 – (Topic 3)

Given:

  1. int x = 12;

  2. while (x lt; 10) { 27. x-;

28. }

29. System.out.print(x); What is the result?

  1. Line 29 will never be reached.

  2. 12

  3. 0

  4. 10

Answer: B

Question No: 227 – (Topic 3)

Which two code fragments will execute the method doStuff() in a separate thread? (Choose two.)

  1. new Thread() {

    public void run() { doStuff(); }

    };

  2. new Thread() {

    public void start() { doStuff(); }

    };

  3. new Thread() {

    public void run() { doStuff(); }

    }.start();

  4. new Thread(new Runnable() { public void run() { doStuff(); }

    }).start();

  5. new Thread(new Runnable() { public void run() { doStuff(); }

    }).run();

  6. new Thread() {

public void start() { doStuff(); }

}.run();

Answer: C,D

Question No: 228 – (Topic 3)

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Given the fully-qualified class names:

com.foo.bar.Dog com.foo.bar.blatz.Book com.bar.Car com.bar.blatz.Sun

Which graph represents the correct directory structure for a JAR file from which those classes can be used by the compiler and JVM?

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  1. Jar D

  2. Jar E

  3. Jar C

  4. Jar A

  5. Jar B

Answer: D

Question No: 229 – (Topic 3)

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Which two are possible results? (Choose two.)

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A. 0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14,

B. 0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14,

C. 0, 2, 4, 6, 8, 10, 12, 14,

D. 0, 2, 4, 4, 6, 8, 10, 6,

E. 0, 2, 4, 6, 8, 10, 2, 4,

Answer: C,D

Question No: 230 – (Topic 3)

Given:

  1. public class Foo {

  2. static int[] a;

12. static { a[0]=2; }

13. public static void main( String[] args ) {}

14. }

Which exception or error will be thrown when a programmer attempts to run this code?

  1. java.lang.StackOverflowError

  2. java.lang.ArrayIndexOutOfBoundsException

  3. java.lang.IllegalStateException

  4. java.lang.ExceptionInInitializerError

    Answer: D

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