JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Java Default Constructor Examples

  • Default constructor refers to a constructor that is automatically created by compiler in the absence of explicit constructors.
  • You can also call a constructor without parameters as default constructor because all of its class instance variables are set to default values.

Java Default Constructor Sample Code

Code:
package com.myjava.constructors;

public class MyDefaultConstructor {
    
    public MyDefaultConstructor(){
        System.out.println("I am inside default constructor...");
    }
    
    public static void main(String a[]){
        MyDefaultConstructor mdc = new MyDefaultConstructor();
    }
}

Example Output

I am inside default constructor...

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Other Constructor Examples

Knowledge Centre
Difference between super() and this()
super() is used to call super class constructor, whereas this() used to call constructors in the same class, means to call parameterized constructors.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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