initialize object directly in java

Question

Is that possible to initialize object directly as we can do with String class in java:

such as:

String str="something..."; 

I want to do same for my custom class:

class MyData{ public String name; public int age; } 

is that possible like

MyClass obj1={"name",24}; 

or

MyClass obj1="name",24; 

to initialize object? or how it can be possible!

Answer 1

Normally, you would use a constructor, but you don't have to!

Here's the constructor version:

public class MyData {     private String name;     private int age;      public MyData(String name, int age) {         this.name = name;         this.age = age;     }      // getter/setter methods for your fields } 

which is used like this:

MyData myData = new MyData("foo", 10); 

However, if your fields are protected or public, as in your example, you can do it without defining a constructor. This is the closest way in java to what you want:

// Adding special code for pedants showing the class without a constuctor public class MyData {     public String name;     public int age; }  // this is an "anonymous class" MyData myData = new MyData() {     {         // this is an "initializer block", which executes on construction         name = "foo";         age = 10;     } }; 

Voila!