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Data Types and Variables

Data Types and Variables
Java is a ........... language.

None of these
weakly typed
strongly typed
moderate typed

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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 ) ; }}

21
22
Throws Exception
20
Compilation Error

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

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

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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
Compilation Error
double
float

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Data Types and Variables
The smallest integer type is ......... and its size is ......... bits.

byte, 8
short, 8
short, 16
short, 16

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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 34
65 65
34 34

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