java record vs kotlin data class

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sure! let's explore the differences and similarities between java records and kotlin data classes, along with examples.

### java records

introduced in java 14 as a preview feature and officially released in java 16, java records provide a compact syntax for declaring classes that are primarily used to hold data. they are immutable by default and automatically provide implementations for common methods such as `equals()`, `hashcode()`, and `tostring()`.

#### key features of java records:
- **immutability**: once created, the state of a record cannot be changed.
- **automatic methods**: the compiler automatically implements `equals()`, `hashcode()`, and `tostring()`.
- **compact syntax**: less boilerplate code compared to traditional java classes.

#### java record example
### kotlin data classes

kotlin data classes are a feature of the kotlin language that provides a concise way to create classes that hold data. like records in java, data classes automatically provide implementations for `equals()`, `hashcode()`, and `tostring()`.

#### key features of kotlin data classes:
- **immutability**: by default, properties can be declared as `val` (read-only) or `var` (mutable).
- **automatic methods**: similar to records, kotlin automatically generates `equals()`, `hashcode()`, and `tostring()`.
- **concise syntax**: less boilerplate compared to traditional classes.

#### kotlin data class example
### comparison

| feature | java records | kotlin data classes |
|----------------------------|-------------------------------------|-------------------------------------|
| syntax | `record person(string name, int age)` | `data class person(val name: string, val age: int)` |
| immutability | immutable by default | can be mutable (using `var`) |
| auto-generated methods | `equals()`, `hashcode()`, `tostring()` | `equals()`, `hashcode()`, `tostring()` |
| ...

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