Determine output class MyClass int i int j public MyClass(int i...

This question belongs to Java Program Constructors And Methods

Constructors and Methods

Determine output:

class MyClass{
	int i;
	int j;

	public MyClass(int i, int j){
		this.i = i;
		this.j = j;
	}

	public void call(){
		System.out.print("One");
	}
}

public class Test{
	public static void main(String args[]){
		MyClass m = new MyClass(); //line 1
		m.call(); //line 2
	}
}

A) One B) Compilation fails due to an error on line 1 C) Compilation fails due to an error on line 2 D) Compilation succeed but no output.

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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5 Comments

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Asna 3 years ago

If no constructor created,then the system check for default constructor; but here parameterized constructor defined,but calling default-so compile time error

Kasturi Moghe 9 years ago

Here the class defines a parameterized constructor due to which the default constructor is not inserted by jvm.When the new intance is created,it does not get the default constructor resulting in compilation error.

Shravya Yadav 9 years ago

when the compiler doesn't have a default constructor, won't it create a default constructor on its own?

Nitin Thakur 9 years ago

Sai Krishna in line one, while the object is created a compiler, will look for no argument constructor in class but as it is not defined there it will result in compile time error.

Sai Krishna 9 years ago

please help with this

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Determine output class MyClass int i int j public MyClass(int i...

Determine output: class MyClass{ int i; int j; public MyClass(int i, int j){ this.i = i; this.j = j; } public void call(){ System.out.print("One"); } } public class Test{ public static void main(String args[]){ MyClass m = new MyClass(); //line 1 m.call(); //line 2 } }

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Related Questions on Constructors and Methods

Determine output:

`class MyClass{ int i; int j; public MyClass(int i, int j){ this.i = i; this.j = j; } public void call(){ System.out.print("One"); } } public class Test{ public static void main(String args[]){ MyClass m = new MyClass(); //line 1 m.call(); //line 2 } }`