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Data Types and Variables

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

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

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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); }}

Exception is thrown at runtime
float
Compilation Error
double

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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. int i = 010;4. int j = 07;5. System.out.println(i);6. System.out.println(j);7. }8. }

Compilation fails with an error at line 3
8 7
10 7
None of these
Compilation fails with an error at line 5

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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); }}

11
None of these
5
12
4

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Data Types and Variables
Size of int in Java is

64 bit
Depends on execution environment
16 bit
32 bit

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Data Types and Variables
Which of the following automatic type conversion will be possible?

byte to int
short to int
int to long
long to int

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