why constructor is used in java code example
Example 1: how to create a constructor in java
class Other{
public Other(String message){
System.out.println(message);
}
}
class scratch{
public static void main(String[] args) {
Other method = new Other("Hey");
//prints Hey to the console
}
}
Example 2: java constructor
class MyClass {
public MyClass () {
//constructor code
}
}
Example 3: java constructor
class Huso {
public Huso() {
//constructor code about a huso
}
}
Example 4: what is constructor in java
A constructor is a special method used to initialize objects in java.
we use constructors to initialize all variables in the class
when an object is created. As and when an object
is created it is initialized automatically with the help of
constructor in java.
We have two types of constructors:
Default Constructor
Parameterized Constructor
public classname(){
}
public classname(parameters list){
}
Example 5: constructor in java
public class ConstructorDemo
{
int a;
ConstructorDemo()
{
a = 26;
}
public static void main(String[] args)
{
ConstructorDemo obj = new ConstructorDemo();
System.out.println(obj.a);
}
}