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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( ) ) ) ; }}

1.0
0.5
10.0
0.0

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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();}}

Runtime Exception
Wild Animal
Compilation Error
Animal Wild

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JAVA Constructors and Methods
Determine Output:class A{public static void method(int i){System.out.print("Method 1");}public static int method(String str){System.out.print("Method 2");return 0;}}public class Test{ public static void main(String args[]){A.method(5);}}

None of these
Compile time error as final method can't be overloaded
Method 1
Method 2

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

4
3.0
4.0
3

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

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JAVA Constructors and Methods
What will be the result of compiling and running the given code?class A{ int b=10; private A(){ this.b=7; } int f(){ return b; }}class B extends A{ int b;}public class Test{ public static void main(String[] args){ A a = new B(); System.out.println(a.f()); }}

None of these
Compilation Fails
Prints 0
Prints 7
Prints 10

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