activation-api-1.1/src/main/java/javax/activation/DataHandler.java
activation-api-1.2.1/src/main/java/javax/activation/DataHandler.java

activation-api-1.1/src/main/java/javax/activation/MimetypesFileTypeMap.java
activation-api-1.2.1/src/main/java/javax/activation/MimetypesFileTypeMap.java

activation-api-1.1/src/main/java/javax/activation/MailcapCommandMap.java
activation-api-1.2.1/src/main/java/javax/activation/MailcapCommandMap.java

activation-api-1.1/src/main/java/javax/activation/MailcapCommandMap.java
activation-api-1.2.1/src/main/java/javax/activation/MimetypesFileTypeMap.java