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Data Types and Variables

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

7
6
8
9

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Data Types and Variables
What will the output of the following program?public class Test{ public static void main(String args[]){ float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); }}

2.5
2
25
3
0

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Data Types and Variables
What will be output of following program?public class Test{ public static void main(String[] args){ byte b=127; b++; b++; System.out.println(b); }}

-127
129
None of these
2
Compiler error

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

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

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Data Types and Variables
In Java, the word true is ................

Same as value 1
A Java keyword
Same as value 0
A Boolean literal

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Data Types and Variables
Determine output:public class Test { static void test(float x){ System.out.print("float"); } static void test(double x){ System.out.print("double"); } public static void main(String[] args){ test(99.9); }}

float
double
Compilation Error
Exception is thrown at runtime

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