Email - date: Date - subject: String - urgent: boolean + Email(date:Date,urgent:boolean,subject:String) + getDate(): Date + setDate(date: Date): void + getSubject(): String + setSubject(subject:String): void + isUrgent(): boolean + setUrgent(urgent: boolean): void + toString(): String   Write java code for all the methods shown on the class diagram. Below are the details needed for the different methods: a. The default constructor will assign the subject and date default values. b. The overloaded constructor should initialize the instance variables with the parameters passed to the constructor. c. The toString() method should print the information of an email, the urgent flag, date, and the subject of the email

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