diff -r 978f6a78c22e -r c6b50876b5cf task4/solution12/src/org/apidesign/apifest08/currency/ExchangeRateInstance.java
--- a/task4/solution12/src/org/apidesign/apifest08/currency/ExchangeRateInstance.java	Fri Oct 17 17:54:38 2008 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,53 +0,0 @@
-package org.apidesign.apifest08.currency;
-
-import java.util.Date;
-
-public class ExchangeRateInstance {
-
-  private String key;
-  private Date validFrom;
-  private Date validTo;
-  
-  public ExchangeRateInstance(String key, Date validFrom, Date validTo) {
-    super();
-    this.key = key;
-    this.validFrom = validFrom;
-    this.validTo = validTo;
-  }
-
-  /**
-   * @return the validFrom
-   */
-  public Date getValidFrom() {
-    return validFrom;
-  }
-
-  /**
-   * @param validFrom the validFrom to set
-   */
-  public void setValidFrom(Date validFrom) {
-    this.validFrom = validFrom;
-  }
-
-  /**
-   * @return the validTo
-   */
-  public Date getValidTo() {
-    return validTo;
-  }
-
-  /**
-   * @param validTo the validTo to set
-   */
-  public void setValidTo(Date validTo) {
-    this.validTo = validTo;
-  }
-
-  /**
-   * @return the key
-   */
-  public String getKey() {
-    return key;
-  }
-  
-}