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Data Types and Variables

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

6
7
8
9

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Data Types and Variables
What will be the output for the below code ?1. public class Test{2. int i=8;3. int j=9;4. public static void main(String[] args){5. add();6. }7. public static void add(){8. int k = i+j;9. System.out.println(k);10. }11. }

17
Compilation fails with an error at line 8
Compilation fails with an error at line 5
0
None of these

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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. byte b = 6;4. b+=8;5. System.out.println(b);6. b = b+7;7. System.out.println(b);8. }9. }

Compilation fails with an error at line 4
14 21
None of these
14 13
Compilation fails with an error at line 6

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Data Types and Variables
Determine output:public class Test{int i = 34;public static void main(String args[]){Test t1 = new Test();Test t2 = new Test();t1.i = 65;System.out.print(t1.i);System.out.print(t2.i);}}

34 65
65 65
34 34
65 34

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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); }}

3
0
25
2
2.5

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Data Types and Variables
What would be the output of the following fraction of code ?int Integer = 34 ;char String = 'S' ;System.out.print( Integer ) ;System.out.print( String ) ;

S
34 S
34
Does not compile as Integer and String are API class names.
Throws exception.

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