Java Quiz 3

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1) Which of these cannot be used for a variable name in Java?

• a) identifier & keyword
• b) identifier
• c) keyword
• d) none of the mentioned

2)Which of the following variable declaration would NOT compile in a java program?

• (a) int var;
• (b) int VAR;
• (c) int var1;
• (d) int var_1;
• (e) int 1_var;.

3)Number of primitive data types in Java are?

• a) 6
• b) 7
• c) 8
• d) 9

4.What are the Type Conversions available in Java language?

• A) Narrowing Type Conversion
• B) Widening Type Conversion
• C) A and B
• D) None of the above

5. What is a higher data type in Java language?

• A) A data type which holds more data than other data types
• B) A data type whose size is more than other data types
• C) A data type which can hold more precision digits than other data types
• D) All the above

6. What is a Widening Type Conversion in Java?

• A) Conversion of data from higher data type to lower data type
• B) Conversion of data from lower data type to higher data type
• C) Conversion of data from any data type to any data type
• D) None of the above

7. What does a Data Type in Java refers to?

• A) The place where data is stored
• B) The technique how data is retreived
• C) The type or variety of data being handled for reading and writing
• D) None of the above

8. Choose the wrong statement about Java programming?

• A) Java supports unsigned integers
• B) Java supports signed integers
• C) Java supports signed char
• D) None of the above