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Data Types and Variables

Data Types and Variables
How many primitive data types are there in Java?

7
9
8
6

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Data Types and Variables
What is the output for the below code ?1. public class Test{2. public static void main(String[] args){3. int i = 010;4. int j = 07;5. System.out.println(i);6. System.out.println(j);7. }8. }

8 7
10 7
None of these
Compilation fails with an error at line 3
Compilation fails with an error at line 5

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Data Types and Variables
The following program:public class Test{ static boolean isOK; public static void main(String args[]){ System.out.print(isOK); } }

Will not compile as boolean is not initialized
Will not compile as boolean can never be static
Prints true
Prints false

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Data Types and Variables
What will be the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte i = 128;4. System.out.println(i);5. }6. }

128
Compilation fails with an error at line 4
Compilation fails with an error at line 3
0
None of these

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Data Types and Variables
What will be output of the following program code?public class Test{public static void main(String[] a){short x = 10;x = x*5;System.out.print(x);} }

None of these
50
10
Compilation Error

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Data Types and Variables
The smallest integer type is ......... and its size is ......... bits.

short, 8
short, 16
short, 16
byte, 8

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