src/java.base/share/classes/jdk/internal/module/ModuleBootstrap.java

rev 52979 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: TBD

*** 602,612 ****
              return Set.of();
          } else {
              Set<String> modules = new HashSet<>();
              while (value != null) {
                  for (String s : value.split(",")) {
!                     if (s.length() > 0) modules.add(s);
                  }
                  index++;
                  value = getAndRemoveProperty(prefix + index);
              }
              return modules;
--- 602,613 ----
              return Set.of();
          } else {
              Set<String> modules = new HashSet<>();
              while (value != null) {
                  for (String s : value.split(",")) {
!                     if (!s.isEmpty())
!                         modules.add(s);
                  }
                  index++;
                  value = getAndRemoveProperty(prefix + index);
              }
              return modules;
*** 893,903 ****
              if (!allowDuplicates && map.containsKey(key))
                  fail(key + " specified more than once to " + option(prefix));
              List<String> values = map.computeIfAbsent(key, k -> new ArrayList<>());
              int ntargets = 0;
              for (String s : rhs.split(regex)) {
!                 if (s.length() > 0) {
                      values.add(s);
                      ntargets++;
                  }
              }
              if (ntargets == 0)
--- 894,904 ----
              if (!allowDuplicates && map.containsKey(key))
                  fail(key + " specified more than once to " + option(prefix));
              List<String> values = map.computeIfAbsent(key, k -> new ArrayList<>());
              int ntargets = 0;
              for (String s : rhs.split(regex)) {
!                 if (!s.isEmpty()) {
                      values.add(s);
                      ntargets++;
                  }
              }
              if (ntargets == 0)