0

AI

Description: AI
Number of Questions: 21
Created by:
Tags: AI
Attempted 0/21 Correct 0 Score 0
  1. Methods and variables

  2. class

  3. variables

  4. Methods


Correct Option: D
  1. Methods and variables

  2. class

  3. variables

  4. Methods


Correct Option: D
  1. class, if, void, long, Int, continue

  2. goto, instanceof, native, finally, default, throws

  3. try, virtual, throw, final, volatile, transient

  4. strictfp, constant, super, implements, do


Correct Option: B
Explanation:

All the words in option B are among the 49 Java keywords. Although goto reserved as a keyword in Java, goto is not used and has no function.Option A is wrong because the keyword for the primitive int starts with a lowercase i.Option C is wrong because "vi

  1. class, if, void, long, Int, continue

  2. goto, instanceof, native, finally, default, throws

  3. try, virtual, throw, final, volatile, transient

  4. strictfp, constant, super, implements, do


Correct Option: B
Explanation:

All the words in option B are among the 49 Java keywords. Although goto reserved as a keyword in Java, goto is not used and has no function.Option A is wrong because the keyword for the primitive int starts with a lowercase i.Option C is wrong because "vi

  1. int [] myList = {"1", "2", "3"};

  2. int [] myList = (5, 8, 2);

  3. int myList [] [] = {4,9,7,0};

  4. int myList [] = {4, 3, 7};


Correct Option: D
  1. int [] myList = {"1", "2", "3"};

  2. int [] myList = (5, 8, 2);

  3. int myList [] [] = {4,9,7,0};

  4. int myList [] = {4, 3, 7};


Correct Option: D
  1. method

  2. native

  3. subclasses

  4. reference


Correct Option: B
  1. method

  2. native

  3. subclasses

  4. reference


Correct Option: B
  1. interface

  2. string

  3. Float

  4. unsigned


Correct Option: A
  1. interface

  2. string

  3. Float

  4. unsigned


Correct Option: A
  1. Array a = new Array(5);

  2. int [] a = {23,22,21,20,19};

  3. int a [] = new int[5];

  4. int [5] array;


Correct Option: B
  1. Array a = new Array(5);

  2. int [] a = {23,22,21,20,19};

  3. int a [] = new int[5];

  4. int [5] array;


Correct Option: B
  1. public double methoda();

  2. public final double methoda();

  3. static void methoda(double d1);

  4. protected void methoda(double d1);


Correct Option: A
  1. public double methoda();

  2. public final double methoda();

  3. static void methoda(double d1);

  4. protected void methoda(double d1);


Correct Option: A
  1. boolean b1 = 0;

  2. boolean b2 = 'false';

  3. boolean b3 = false;

  4. boolean b4 = Boolean.false();


Correct Option: C
Explanation:

A boolean can only be assigned the literal true or false.

  1. boolean b1 = 0;

  2. boolean b2 = 'false';

  3. boolean b3 = false;

  4. boolean b4 = Boolean.false();


Correct Option: C
Explanation:

A boolean can only be assigned the literal true or false.

  1. String s1 = null;

  2. String s2 = 'null';

  3. String s3 = (String) 'abc';

  4. String s4 = (String) '\ufeed';


Correct Option: A
  1. String s1 = null;

  2. String s2 = 'null';

  3. String s3 = (String) 'abc';

  4. String s4 = (String) '\ufeed';


Correct Option: A
  1. -128 to 127

  2. -(215) to (215) - 1

  3. 0 to 32767

  4. 0 to 65535


Correct Option: D
  1. -128 to 127

  2. -(215) to (215) - 1

  3. 0 to 32767

  4. 0 to 65535


Correct Option: D

You want subclasses in any package to have access to members of a superclass. Which is the most restrictive access that accomplishes this objective?

  1. public

  2. protected

  3. private

  4. transient


Correct Option: B
Explanation:

protected makes a member accessible only to classes in the same package or subclass of the class

- Hide questions