26. What is the output of this program?
    

    
    public class operators_Example
        {
            public static void main(String args[])
            {
                int num1 = 10; 
                int num2 = 20;
                int num3;
                num3 = num2 + num2 * num1 / num2 + num2;
                System.out.print(num3);
            } 
        }
    

1. 1. 50

   
   
   

   2. 40

   
   
   

   3. 30

   
   
   

   4. 20

   
   
   

   5. 10

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Ans: 50

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27. Which of these statements are incorrect?

1. 1. Equal to operator has least precedence

   
   
   

   2. Addition operator, +, and subtraction operator have equal precedence

   
   
   

   3. Brackets () have highest precedence

   
   
   

   4. Division operator, /, has higher precedence than multiplication operator

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   Ans: D
   Division operator, /, has equal precedence as of multiplication operator. In expression involving multiplication and division evaluation of expression will begin from right side when no brackets are used.

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28. What is the order of precedence (highest to lowest) of following operators?
    

    
       1. &    
        2. ^
        3. ?:
    

1. 1. 3 -> 2 -> 1

   
   
   

   2. 1 -> 2 -> 3

   
   
   

   3. 2 -> 1 -> 3

   
   
   

   4. 2 -> 3 -> 1

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Ans: B

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29. What is the value stored in p in following lines of code?
    

    
        int p, q, r;
        p = 0;
        q = 1;
        p = q = r = 8;
    

1. 1. 9

   
   
   

   2. 8

   
   
   

   3. 7

   
   
   

   4. 6

   
   
   

   5. 5

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Answer : 8

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30. What should be expression1 evaluate to in using ternary operator as in this line?
    

    
     expression1 ?  expression2  :  expression3
    

1. 1. Boolean

   
   
   

   2. Floating – point numbers

   
   
   

   3. Integer

   
   
   

   4. float

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   The controlling condition of ternary operator must evaluate to boolean.

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