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Data Types and Variables

Data Types and Variables
Size of int in Java is

32 bit
64 bit
Depends on execution environment
16 bit

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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);}}

65 65
34 65
65 34
34 34

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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. }

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

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Data Types and Variables
Size of float and double in Java is

64 and 32
64 and 64
32 and 64
32 and 32

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

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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); }}

None of these
12
4
5
11

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