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Data Types and Variables

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

weakly typed
strongly typed
moderate typed
None of these

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Data Types and Variables
Determine output:class A{ public static void main(String args[]){ int x; x = 10; if(x == 10){ int y = 20; System.out.print("x and y: "+ x + " " + y); y = x*2; } y = 100; System.out.print("x and y: " + x + " " + y); }}

10 20 10 100
10 20 10 10
10 20 10 20
Error

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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); }}

Compiler error
None of these
129
2
-127

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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); }}

25
2.5
2
0
3

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

None of these
unsigned
signed
Both of the above

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Data Types and Variables
The following fraction of codedouble STATIC = 2.5 ;System.out.println( STATIC );

Raises an exception
None of these
Prints 2.5
Rraises an error as STATIC is used as a variable which is a keyword

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