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java instance of a class

Wissam answered on February 25, 2022 Popularity 10/10 Helpfulness 4/10

answer java instance of a class

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java instance of a class

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// instanceof can be used to check whether an object
// is an instance of a given class or not, as illustrated below
public class Main {
	public static void main(String[] args) {
		String str = new String("Foo");
		System.out.println( str instanceof String); // true
		Shape s = new Triangle();
      	// s is instance of parent class Shape
		System.out.println(s instanceof Shape); // true
      	// s is also instance of child class called Triangle
		System.out.println(s instanceof Triangle); // true

	}
}
class Shape {
	public void draw() {
		System.out.println("Shape draw.");
	}
}
class Triangle extends Shape {
	public void draw() {
		System.out.println("Triangle draw.");
	}
}

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: class instance java

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Contributed on Feb 25 2022

Wissam

0 Answers Avg Quality 2/10

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create new instance of class java

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class_name object_name = new class_name();

Popularity 10/10 Helpfulness 4/10 Language java

Source: www.section.io

Tags: class clas

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Contributed on Oct 12 2022

Riaj mazumder

0 Answers Avg Quality 2/10

java instance of a class

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