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JAVA Constructors and Methods

JAVA Constructors and Methods
Which of the modifier can't be used for constructors?

protected
static
public
private

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JAVA Constructors and Methods
What is the output for the below code ?class A{ public A(){ System.out.println("A"); } public A(int i){ this(); System.out.println(i); }}class B extends A{ public B(){ System.out.println("B"); } public B(int i){ this(); System.out.println(i+3); }}public class Test{ public static void main (String[] args){ new B(5); }}

A B 8
A B 5
B 8 A 5
None of these
A 5 B 8

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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
Prints 0
Prints 10
Compilation Fails
Prints 7

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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();}}

Compilation Error
Runtime Exception
Wild Animal
Animal Wild

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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
public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor?

MyClass(void) {}
MyClass(){}
public MyClass(){}
public MyClass(void){}
1 and 3

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