java project question

hi!!! I am doing a web related project in java.. And i am new to jsp. I am getting the following wargings. Pls help me with proper solution. Wargings are as follows.

Description Resource Path Location Type Class is a raw type. References to generic type Class<T> should be parameterized SendSMSLocator.java /PDFDisplayer/src/com/sss/displayer/sms line 79 Java Problem

Class is a raw type. References to generic type Class<T> should be parameterized SendSMSLocator.java /PDFDisplayer/src/com/sss/displayer/sms line 97 Java Problem

Enumeration is a raw type. References to generic type Enumeration<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 84 Java Problem

HashSet is a raw type. References to generic type HashSet<E> should be parameterized SendSMSLocator.java /PDFDisplayer/src/com/sss/displayer/sms line 116 Java Problem

HashSet is a raw type. References to generic type HashSet<E> should be parameterized SendSMSLocator.java /PDFDisplayer/src/com/sss/displayer/sms line 120 Java Problem

Iterator is a raw type. References to generic type Iterator<E> should be parameterized SendSMSLocator.java /PDFDisplayer/src/com/sss/displayer/sms line 118 Java Problem

The field SendSMSBindingStub.cachedDeserFactories is never read locally SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 14 Java Problem

The field SendSMSBindingStub.cachedSerClasses is never read locally SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 11 Java Problem

The field SendSMSBindingStub.cachedSerFactories is never read locally SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 13 Java Problem

The field SendSMSBindingStub.cachedSerQNames is never read locally SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 12 Java Problem

Type safety: The method add(Object) belongs to the raw type HashSet. References to generic type HashSet<E> should be parameterized SendSMSLocator.java /PDFDisplayer/src/com/sss/displayer/sms line 121 Java Problem

Vector is a raw type. References to generic type Vector<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 11 Java Problem

Vector is a raw type. References to generic type Vector<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 11 Java Problem

Vector is a raw type. References to generic type Vector<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 12 Java Problem

Vector is a raw type. References to generic type Vector<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 12 Java Problem

Vector is a raw type. References to generic type Vector<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 13 Java Problem

Vector is a raw type. References to generic type Vector<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 13 Java Problem

Vector is a raw type. References to generic type Vector<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 14 Java Problem

Vector is a raw type. References to generic type Vector<E> should be parameterized SendSMSBindingStub.java /PDFDisplayer/src/com/sss/displayer/sms line 14 Java Problem