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What is Constructor in Java?

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Java Trainer with 8 years of Realtime Development Experience

1. Constructor is just like a method ( referred as special method as it appearance look like normal methods) 2. It's name is same as class name 3. It doesn't return any value 4. It is invoked/called automatically/implicitly when the object is instantiated/created. Use of Constructor ---------------------------- It...
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1. Constructor is just like a method ( referred as special method as it appearance look like normal methods) 2. It's name is same as class name 3. It doesn't return any value 4. It is invoked/called automatically/implicitly when the object is instantiated/created. Use of Constructor ---------------------------- It is used to initialize instance variables read less
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Teacher

A constructor in is a block of code similar to a method that's called when an instance of an object is created.
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Constructor is type of methods which will only execute at the time of object creation. we can create more than one constructor in same class file and this concepts called constructor overloading. if in class, no constructor is defined then compiler automatically create one for that class which will be...
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Constructor is type of methods which will only execute at the time of object creation. we can create more than one constructor in same class file and this concepts called constructor overloading. if in class, no constructor is defined then compiler automatically create one for that class which will be without parameter. read less
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constructor is also used to define a run time memory allocation to the instance of class
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Constructor definition is same as method but if no constructor is defined the JVM will create a default constructor to that class while complation time. This constructor is executed automatically with instance of object
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Java constructors are special methods that are called when an object is instantiated. code that allows you to create new objects from a class. Allows code to initialize data. A default constructor without any argument is automatically created when we do not define any constructor .
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Java Classes

Constructor will be similar to a method with no return type and called when a instance of object is created
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IT Professional Trainer with 11 years of Experience in IT Industry and Certified AWS Trainer

Constructor in java is used to initialize the object with its default value.Initialize is required because to avoid garbage values stored in objects.
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