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Data Types and Variables

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

weakly typed
moderate typed
None of these
strongly typed

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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
2
0
25
2.5

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Data Types and Variables
The following program:public class Test{ static boolean isOK; public static void main(String args[]){ System.out.print(isOK); } }

Will not compile as boolean is not initialized
Prints false
Prints true
Will not compile as boolean can never be static

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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
Compilation Error
22
20
Throws Exception

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

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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);}}

65 34
34 34
34 65
65 65

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