src/java.base/share/classes/java/util/jar/Pack200.java

rev 52881 : 8214971: Replace use of string.equals("") with isEmpty()
Reviewed-by: jlaskey, prappo, lancea, dfuchs, redestad

*** 702,712 ****
          try {
              Class<?> impl = (PACK_PROVIDER.equals(prop))? packerImpl: unpackerImpl;
              if (impl == null) {
                  // The first time, we must decide which class to use.
                  implName = GetPropertyAction.privilegedGetProperty(prop,"");
!                 if (implName != null && !implName.equals(""))
                      impl = Class.forName(implName);
                  else if (PACK_PROVIDER.equals(prop))
                      impl = com.sun.java.util.jar.pack.PackerImpl.class;
                  else
                      impl = com.sun.java.util.jar.pack.UnpackerImpl.class;
--- 702,712 ----
          try {
              Class<?> impl = (PACK_PROVIDER.equals(prop))? packerImpl: unpackerImpl;
              if (impl == null) {
                  // The first time, we must decide which class to use.
                  implName = GetPropertyAction.privilegedGetProperty(prop,"");
!                 if (implName != null && !implName.isEmpty())
                      impl = Class.forName(implName);
                  else if (PACK_PROVIDER.equals(prop))
                      impl = com.sun.java.util.jar.pack.PackerImpl.class;
                  else
                      impl = com.sun.java.util.jar.pack.UnpackerImpl.class;