With the Lombok annotation @DaTa this will generate code the shown here.

SomeDto.java

// Generated by delombok at Mon Feb 14 20:57:05 CET 2011
package com.example;

public class SomeDto {
    private int id;
    private String firstName;
    private String lastName;
	
    @java.lang.SuppressWarnings("all")
    public SomeDto() {
    }
	
    @java.lang.SuppressWarnings("all")
    public int getId() {
        return this.id;
    }
	
    @java.lang.SuppressWarnings("all")
    public String getFirstName() {
        return this.firstName;
    }
	
    @java.lang.SuppressWarnings("all")
    public String getLastName() {
        return this.lastName;
    }
	
    @java.lang.SuppressWarnings("all")
    public void setId(final int id) {
        this.id = id;
    }
	
    @java.lang.SuppressWarnings("all")
    public void setFirstName(final String firstName) {
        this.firstName = firstName;
    }
	
    @java.lang.SuppressWarnings("all")
    public void setLastName(final String lastName) {
        this.lastName = lastName;
    }
	
    @java.lang.Override
    @java.lang.SuppressWarnings("all")
    public boolean equals(final java.lang.Object o) {
        if (o == this) return true;
        if (o == null) return false;
        if (o.getClass() != this.getClass()) return false;
        final SomeDto other = (SomeDto)o;
        if (this.getId() != other.getId()) return false;
        if (this.getFirstName() == null ? other.getFirstName() != null : !this.getFirstName().equals(other.getFirstName())) return false;
        if (this.getLastName() == null ? other.getLastName() != null : !this.getLastName().equals(other.getLastName())) return false;
        return true;
    }
	
    @java.lang.Override
    @java.lang.SuppressWarnings("all")
    public int hashCode() {
        final int PRIME = 31;
        int result = 1;
        result = result * PRIME + this.getId();
        result = result * PRIME + (this.getFirstName() == null ? 0 : this.getFirstName().hashCode());
        result = result * PRIME + (this.getLastName() == null ? 0 : this.getLastName().hashCode());
        return result;
    }
	
    @java.lang.Override
    @java.lang.SuppressWarnings("all")
    public java.lang.String toString() {
        return "SomeDto(id=" + this.getId() + ", firstName=" + this.getFirstName() + ", lastName=" + this.getLastName() + ")";
    }
}