src/jdk.jartool/share/classes/sun/tools/jar/Main.java

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

@@ -1178,11 +1178,11 @@
 
         File file = entry.file;
         String name = entry.name;
         boolean isDir = entry.isDir;
 
-        if (name.equals("") || name.equals(".") || name.equals(zname)) {
+        if (name.isEmpty() || name.equals(".") || name.equals(zname)) {
             return;
         } else if ((name.equals(MANIFEST_DIR) || name.equals(MANIFEST_NAME))
                    && !Mflag) {
             if (vflag) {
                 output(formatMsg("out.ignore.entry", name));

@@ -1884,11 +1884,11 @@
         String releases = Arrays.stream(infos)
                 .filter(e -> !e.name().equals(MODULE_INFO))
                 .map(ModuleInfoEntry::name)
                 .map(Main::versionFromEntryName)
                 .collect(joining(" "));
-        if (!releases.equals(""))
+        if (!releases.isEmpty())
             output("releases: " + releases + "\n");
 
         // Describe the operative descriptor for the specified --release, if any
         if (releaseValue != -1) {
             ModuleInfoEntry entry = null;

@@ -1953,11 +1953,11 @@
     {
         StringBuilder sb = new StringBuilder();
 
         sb.append(md.toNameAndVersion());
 
-        if (!uriString.equals(""))
+        if (!uriString.isEmpty())
             sb.append(" ").append(uriString);
         if (md.isOpen())
             sb.append(" open");
         if (md.isAutomatic())
             sb.append(" automatic");