📄 category.java
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package example;import javax.persistence.Column;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.Id;import javax.persistence.Table;@Entity@Table(name="categories")public class Category { @Id @GeneratedValue private int id; @Column(unique = true, nullable = false) private String name; public void setTitle(String name) { this.name = name; } public int getId() { return id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String toString() { return getClass().getSimpleName() + "[id=" + id + " name=" + name + "]"; }}
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