Summary: Convert to {@code ...} tags. convert package.html to package-info.java.
Reviewed-by: darcy

Reviewed-by: mchung

Reviewed-by: acorn, hawtin

Reviewed-by: xuelei, mullan
Contributed-by: alexandre.boulgakov@oracle.com

Reviewed-by: dholmes

Reviewed-by: alexp

Reviewed-by: mullan

Reviewed-by: darcy, weijun

Summary: Add NullPointerException to @throws clause and treat empty array and array of nulls as equivalent
Reviewed-by: valeriep

Summary: unchecking the null pointer of the debug handle
Reviewed-by: mullan, weijun