Question

1. Java Questions
2. 1. When creating a for loop, which statement will correctly initialize more than one variable?

a.	for a=1, b=2	c.	for(a=1, b=2)
b.	for(a=1; b=2)	d.	for(a = 1&& b = 2)

0. 2. A method employee() is returning a double value. Which of the following is the correct way of defining this method?
1. public double employee()                                    c. public int employee()
2. public double employee(int t)                  d. public void employee()
   3. The ____ statement is useful when you need to test a single variable against a series of exact integer, character, or string values.

a.	Switch	c.	else
b.	If	d.	Break

4. You can leave out the ____ statements in a switch structure.

a.	Break	c.	if
b.	Switch	d.	Case

0. 5. If your method is returning values ,what will replace the word "void" in your method header.
1. return                                                     c. datatype of return value
2. void                                                                     d. null
   6. Which is the correct for form for defining an object?

1. classname objectname=new classname
2. objectname classname=new objectname()
3. d. ojectname,object name=new() ob
4. classname objectname=new classname()
   7. Given below is a object creation statement for a class customer.

customer c=new customer(”ALI”,5)

   Which will be the correct way of defining a constructor?

1. public void customer()                         c. public customer(int a, String t)
2. public customer(String t, int y) d. public void customer() )

22. All Java application programs must have this method to run.

1. hello()                                                         c. start()            
2. main(),                                                        d. add()

23. Examine the following code:

for(count = 7 ;count> =3; count =count-1)

{

System.out.print(count+” “); }

What is the output?

1. {7, 6, 5, 4, 3}       b. {6, 5, 4 }       c. { 7, 6, 5,4}      d. { 6, 5,4,3})

24. What is the output of the following code segment?

                 int X=10;                                                           

                 if ( X >= 10)

                 {

                     System.out.print(“ABC”);

                 }

1. ABC        b. ABCXYZ                 c. ABCABC                 d. no output

25. Given below is a object calling a method add().

C.add(4,5,7.8);

Which of the following is the correct form of defining the method?

1. public int add()                                            c. public void add(int a,int b,double c)
2. public void add(int a, double b, double c)        d. public int void add()

2. Write the output.

                               public class customer

                               {

                                   public static void main(String [] args) 

                                 {

                                     customer st = new customer();

                                    st.print();

                                   }

                               public static void print()   {

                               int  x = 9;

                               int y, z, calc;

                               y= 3;

                               z = 5;

                               calc = x-y+z;

                               System.out.println("Product: " + x*y);

                                System.out.println(calc);   }

                               }

  public class welcome

  {

    public static void main(String [] args) 

    {

        welcome d = new welcome();

        d.display();

    }

public void display()

{int count;

for (count=6;count<=19;count=count+3)

System.out.println(count);}}

3.                        .           

              public class Game1           

              {

                           public static void main(String [] args) 

                              {

                                  Game1 s = new Game1();

                                  s.simula();

                         }

                      public static void simula()     {

                            int x;

                               x=3;

                  do

                                   {

                                    System.out.println(“You are learning Methods!”);

                       x=x+1;

                  }while (x <1;}}              

Answer 1

Thanks for the question, below are the answers to all the questions. Going forward, please do mention the question number so that I dont need to copy the question.

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When creating a for loop, which statement will correctly initialize more than one variable?
c. for(a=1, b=2)

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A method employee() is returning a double value. Which of the following is the correct way of defining this method?
a. public double employee()

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switch

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break

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If your method is returning values ,what will replace the word "void" in your method header.
datatype of return value

===================================================================

Which is the correct for form for defining an object?
d. classname objectname=new classname();

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public customer(String t, int y);

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Question 22
main()

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Which of the following is the correct form of defining the method?
c. public void add(int a,int b,double c)

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11 .Write the output?
Output for class customer is below -
Product: 27
11

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Output for class welcome is below -
6
9
12
15
18

===================================================================

3. Output for class Game1 is below -
You are learning Methods!
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