what is meaning in help document?

when i find something from help document of JDK,i notice signs of <E> and <T>.could you tell me what are the meaning of those?thank you.

[149 byte] By [robin622a] at [2007-11-27 11:28:54]
# 1

These symbols are used in Generics, which was introduced (I think) in Java 1.5.

floundera at 2007-7-29 16:24:46 > top of Java-index,Java Essentials,New To Java...
# 2

> These symbols are used in Generics, which was

> introduced (I think) in Java 1.5.

And you would be correct by thinking so.

dwga at 2007-7-29 16:24:46 > top of Java-index,Java Essentials,New To Java...
# 3

but i can't find them,

robin622a at 2007-7-29 16:24:46 > top of Java-index,Java Essentials,New To Java...
# 4

You can't find what?

Google Java generics.

floundera at 2007-7-29 16:24:46 > top of Java-index,Java Essentials,New To Java...