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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 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
2.5
0
25
2

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

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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. }

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

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Data Types and Variables
Determine output:public class Test{ int a = 10; public void method(int a){ a += 1; System.out.println(++a); } public static void main(String args[]){ Test t = new Test(); t.method(3); }}

5
4
None of these
12
11

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

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