Person Contracts and Default Values

Added Interace for Persons and Contracts.
Used methods with default values for changing Estates or EstateAgents.

02/src/de/dis2017/data/Contract.java

@@ -0,0 +1,39 @@
+package de.dis2017.data;
+/**
+ * Contract data class
+ */
+import java.util.Date;
+
+public class Contract {
+	private int contractNo = -1;
+	private String date;
+	private String place;
+	private int person;
+	
+	public int getContractNo() {
+		return contractNo;
+	}
+	public void setContractNo(int contractNo) {
+		this.contractNo = contractNo;
+	}
+	public String getDate() {
+		return date;
+	}
+	public void setDate(String date) {
+		this.date = date;
+	}
+	public String getPlace() {
+		return place;
+	}
+	public void setPlace(String place) {
+		this.place = place;
+	}
+	public int getPerson() {
+		return person;
+	}
+	public void setPerson(int person) {
+		this.person = person;
+	}
+	
+	
+}