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Java Programming : Language Basics : True or False


Answer the following questions about basics of the Java programming language. These include concepts like operators, variables, declarations, basic language structures such as if, for, switch, etc.

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Multiple choice

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1.

The "switch" selection structure must end with the default case.

  True

  False

 

2.

An individual array element from an array of type int, when passed to a method is passed by value.

  True

  False

 

3.

Whenever the "&&" operator is used, such as in:
exp1 && exp2
where exp1 and exp2 are boolean expressions, both the boolean expressions are not always evaluated.

  True

  False

 

4.

All bitwise operations are carried out with the same level of precedence in Java.

  True

  False

 

5.

The == operator can be used to compare two String objects. The result is always true if the two strings are identical.

  True

  False

 

6.

consider the statement "x = (a > b) ? a : b"; then the value of x is 27, if a = 18 and b = 27.

  True

  False

 

7.

The expression (y >= z && a == b) is evaluated by first evaluating the expression y >= z, and then evaluating a == b.

  True

  False

 


 
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