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Data Types and Variables

Data Types and Variables
Size of int in Java is

64 bit
16 bit
32 bit
Depends on execution environment

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

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Data Types and Variables
In Java byte, short, int and long all of these are

signed
None of these
unsigned
Both of the above

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Data Types and Variables
What is the output of the following program?public class Test{static int x = 10 ; public static void main(String[] a){ Test test = new Test( ) ; Test test1 = new Test( ) ; test.x += 1 ; System.out.println( test.x + test1.x ) ; }}

Compilation Error
22
Throws Exception
21
20

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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
None of these
Compiler error
2
129

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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); }}

12
4
11
None of these
5

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