How to encode primitive type in JAVA

who can give me some documents that clarify how to encode primitve type ,or directly clarify in your words. thanks!

the rule is : 1 is encoded in binary string :
0000 0000 0000 0000 0000 0000 0000 0001
-1 is encoded in binary string:
1111 1111 1111 1111 1111 1111 1111 1111

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<face grin=evil> myList.add(int.class); </face>

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How to encode primitive type in JAVA

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