Name: ksC84122 Date: 12/28/98


JavaDoc for java.util.jar.Attributes.containsKey(Object name)
java.util.jar.Attributes.get(Object name),
java.util.jar.Attributes.put(Object name, Object value),
java.util.jar.Attributes.getValue(Attributes.Name name)
says nothing about handling null name.

Bug report for Bug Id 4199920 shows that currently null names(keys) are permitted,
what is wrong. Bug report also shows that all above mentioned methods should
throw NullPointerException with null name (key).

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