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JAVA Constructors and Methods

JAVA Constructors and Methods
Determine output of the following program.public class Test{ public static void main(String args[]){ System.out.println( Math.floor( Math.random( ) ) ) ; }}

0.0
1.0
0.5
10.0

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JAVA Constructors and Methods
Which of the following options is the best for generating random integer 0 or 1?

(int)Math.random()
(int)(Math.random() + 0.5)
(int)Math.random() + 1
(int)(Math.random() + 0.2)

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JAVA Constructors and Methods
public class Test { }What is the prototype of the default constructor?

public Test( )
Test( )
None of these
Test(void)
public Test(void)

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JAVA Constructors and Methods
What is Math.floor(3.6)?

3
4.0
4
3.0

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JAVA Constructors and Methods
The finalize() method is called just prior to

An object or variable goes out of scope.
None of these
An object, variable or method goes out of scope.
A variable goes out of scope.
Before garbage collection.

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JAVA Constructors and Methods
What is the expected output?class Animal {Animal() {System.out.println("Animal");}}class Wild extends Animal{Wild() {System.out.println("Wild");super();}}public class Test {public static void main(String args[]) {Wild wild = new Wild();}}

Animal Wild
Compilation Error
Runtime Exception
Wild Animal

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