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Data Types and Variables

Data Types and Variables
How many primitive data types are there in Java?

9
8
6
7

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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); }}

3
25
2.5
0
2

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

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

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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); }}

4
5
12
11
None of these

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Data Types and Variables
In Java, the word true is ................

A Java keyword
Same as value 0
Same as value 1
A Boolean literal

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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
34 34
65 34
65 65

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