@javax.persistence.Table(name = "table_1")
@Entity
public class Table1Entity{
    private int Id;
    private List<Table2Entity> table2;
   

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    public int getId() { return Id;}
    public void setId(int Id) { this.Id = Id;}

   @ManyToMany(cascade =CascadeType.ALL,fetch = FetchType.LAZY)
    @JoinTable(name = "table_list",
            joinColumns = @JoinColumn(name = "table1_id"),
            inverseJoinColumns = @JoinColumn(name = "table2_id")
    )
    @Cascade(org.hibernate.annotations.CascadeType.DELETE_ORPHAN)
     public List<Table2Entity> getTable2() { return table2; }
     public void setTable2(List<Table2Entity> table2) { return this.table2 = table2; }

}

@javax.persistence.Table(name = "table_2")
@Entity
public class Table2Entity{
    private int Id;
    private List<Table1Entity> table1;
   

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    public int getId() { return Id;}
    public void setId(int Id) { this.Id = Id;}

   @ManyToMany(cascade =CascadeType.ALL,fetch = FetchType.LAZY)
    @JoinTable(name = "table_list",
            joinColumns = @JoinColumn(name = "table2_id"),
            inverseJoinColumns = @JoinColumn(name = "table1_id")
    )
     public List<Table1Entity> getTable1() { return table1; }
     public void setTable1(List<Table1Entity> table1) { return this.table1 = table1; }

}