8273710: Remove redundant stream() call before forEach in jdk.jdeps

Reviewed-by: dfuchs, shade

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/DepsAnalyzer.java

@@ -343,7 +343,7 @@ public class DepsAnalyzer {
     public Graph<Node> moduleGraph() {
         Graph.Builder<Node> builder = new Graph.Builder<>();
 
-        archives().stream()
+        archives()
             .forEach(m -> {
                 Node u = new Node(m.getName(), Info.REQUIRES);
                 builder.addNode(u);

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/Graph.java

@@ -72,8 +72,7 @@ public final class Graph<T> {
      */
     public Graph<T> reduce() {
         Builder<T> builder = new Builder<>();
-        nodes.stream()
-                .forEach(u -> {
+        nodes.forEach(u -> {
                     builder.addNode(u);
                     edges.get(u).stream()
                          .filter(v -> !pathExists(u, v, false))
@@ -97,8 +96,7 @@ public final class Graph<T> {
         }
 
         Builder<T> builder = new Builder<>();
-        nodes.stream()
-                .forEach(u -> {
+        nodes.forEach(u -> {
                     builder.addNode(u);
                     // filter the edge if there exists a path from u to v in the given g
                     // or there exists another path from u to v in this graph
@@ -108,7 +106,7 @@ public final class Graph<T> {
                 });
 
         // add the overlapped edges from this graph and the given g
-        g.edges().keySet().stream()
+        g.edges().keySet()
                 .forEach(u -> g.adjacentNodes(u).stream()
                                 .filter(v -> isAdjacent(u, v))
                                 .forEach(v -> builder.addEdge(u, v)));
@@ -147,7 +145,7 @@ public final class Graph<T> {
         builder.addNodes(nodes);
         // reverse edges
         edges.keySet().forEach(u -> {
-            edges.get(u).stream()
+            edges.get(u)
                 .forEach(v -> builder.addEdge(v, u));
         });
         return builder.build();
@@ -214,8 +212,7 @@ public final class Graph<T> {
 
     public void printGraph(PrintWriter out) {
         out.println("graph for " + nodes);
-        nodes.stream()
-             .forEach(u -> adjacentNodes(u).stream()
+        nodes.forEach(u -> adjacentNodes(u)
                                .forEach(v -> out.format("  %s -> %s%n", u, v)));
     }
 
@@ -322,7 +319,7 @@ public final class Graph<T> {
                 return;
             }
             visited.add(node);
-            graph.edges().get(node).stream()
+            graph.edges().get(node)
                  .forEach(x -> visit(x, visited, done));
             done.add(node);
             result.addLast(node);

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/InverseDepsAnalyzer.java

@@ -141,7 +141,7 @@ public class InverseDepsAnalyzer extends DepsAnalyzer {
             targets().forEach(builder::addNode);
 
             // transpose the module graph
-            configuration.getModules().values().stream()
+            configuration.getModules().values()
                 .forEach(m -> {
                     builder.addNode(m);
                     m.descriptor().requires().stream()
@@ -152,7 +152,7 @@ public class InverseDepsAnalyzer extends DepsAnalyzer {
 
             // add the dependences from the analysis
             Map<Archive, Set<Archive>> dependences = dependencyFinder.dependences();
-            dependences.entrySet().stream()
+            dependences.entrySet()
                 .forEach(e -> {
                     Archive u = e.getKey();
                     builder.addNode(u);
@@ -215,7 +215,7 @@ public class InverseDepsAnalyzer extends DepsAnalyzer {
             }
 
             // push unvisited adjacent edges
-            unvisitedDeps.stream().forEach(deque::push);
+            unvisitedDeps.forEach(deque::push);
 
 
             // when the adjacent edges of a node are visited, pop it from the path

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/JdepsConfiguration.java

@@ -397,8 +397,8 @@ public class JdepsConfiguration implements AutoCloseable {
             md.requires().forEach(builder::requires);
             md.exports().forEach(builder::exports);
             md.opens().forEach(builder::opens);
-            md.provides().stream().forEach(builder::provides);
-            md.uses().stream().forEach(builder::uses);
+            md.provides().forEach(builder::provides);
+            md.uses().forEach(builder::uses);
             builder.packages(md.packages());
             return builder.build();
         }

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/JdepsTask.java

@@ -771,7 +771,7 @@ class JdepsTask {
             if (!options.nowarning) {
                 analyzer.archives()
                     .forEach(archive -> archive.reader()
-                        .skippedEntries().stream()
+                        .skippedEntries()
                         .forEach(name -> warning("warn.skipped.entry", name)));
             }
 
@@ -796,7 +796,7 @@ class JdepsTask {
                     log.format("%-40s %s%n",
                                internalApiTitle.replaceAll(".", "-"),
                                replacementApiTitle.replaceAll(".", "-"));
-                    jdkInternals.entrySet().stream()
+                    jdkInternals.entrySet()
                         .forEach(e -> {
                             String key = e.getKey();
                             String[] lines = e.getValue().split("\\n");
@@ -1111,7 +1111,7 @@ class JdepsTask {
 
         // --require
         if (!options.requires.isEmpty()) {
-            options.requires.stream()
+            options.requires
                 .forEach(mn -> {
                     Module m = config.findModule(mn).get();
                     builder.requires(mn, m.packages());

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/Module.java

@@ -223,10 +223,10 @@ class Module extends Archive {
                 descriptor.packages().forEach(pn -> exports.put(pn, Collections.emptySet()));
                 descriptor.packages().forEach(pn -> opens.put(pn, Collections.emptySet()));
             } else {
-                descriptor.exports().stream()
+                descriptor.exports()
                           .forEach(exp -> exports.computeIfAbsent(exp.source(), _k -> new HashSet<>())
                                                  .addAll(exp.targets()));
-                descriptor.opens().stream()
+                descriptor.opens()
                     .forEach(exp -> opens.computeIfAbsent(exp.source(), _k -> new HashSet<>())
                         .addAll(exp.targets()));
             }

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/ModuleAnalyzer.java

@@ -174,16 +174,14 @@ public class ModuleAnalyzer {
         private Graph<Module> buildReducedGraph() {
             ModuleGraphBuilder rpBuilder = new ModuleGraphBuilder(configuration);
             rpBuilder.addModule(root);
-            requiresTransitive.stream()
-                          .forEach(m -> rpBuilder.addEdge(root, m));
+            requiresTransitive.forEach(m -> rpBuilder.addEdge(root, m));
 
             // requires transitive graph
             Graph<Module> rbg = rpBuilder.build().reduce();
 
             ModuleGraphBuilder gb = new ModuleGraphBuilder(configuration);
             gb.addModule(root);
-            requires.stream()
-                    .forEach(m -> gb.addEdge(root, m));
+            requires.forEach(m -> gb.addEdge(root, m));
 
             // transitive reduction
             Graph<Module> newGraph = gb.buildGraph().reduce(rbg);
@@ -310,7 +308,7 @@ public class ModuleAnalyzer {
             dependencyFinder.parse(mods.stream());
 
             // adds to the qualified exports map if a module references it
-            mods.stream().forEach(m ->
+            mods.forEach(m ->
                 m.getDependencies()
                     .map(Dependency.Location::getPackageName)
                     .filter(qualifiedExports::containsKey)

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/ModuleDotGraph.java

@@ -147,7 +147,7 @@ public class ModuleDotGraph {
      */
     private Graph<String> gengraph(Configuration cf) {
         Graph.Builder<String> builder = new Graph.Builder<>();
-        cf.modules().stream()
+        cf.modules()
             .forEach(rm -> {
                 String mn = rm.name();
                 builder.addNode(mn);
@@ -406,7 +406,7 @@ public class ModuleDotGraph {
                 .collect(toSet());
 
             String mn = md.name();
-            edges.stream().forEach(dn -> {
+            edges.forEach(dn -> {
                 String attr;
                 if (dn.equals("java.base")) {
                     attr = "color=\"" + attributes.requiresMandatedColor() + "\"";

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/ModuleExportsAnalyzer.java

@@ -113,7 +113,7 @@ public class ModuleExportsAnalyzer extends DepsAnalyzer {
                     .distinct()
                     .forEach(m -> {
                         if (internalPkgs.containsKey(m)) {
-                            internalPkgs.get(m).stream()
+                            internalPkgs.get(m)
                                 .forEach(pn -> writer.format("   %s/%s%s", m, pn, separator));
                         } else {
                             writer.format("   %s%s", m, separator);

src/jdk.jdeps/share/classes/com/sun/tools/jdeps/ModuleGraphBuilder.java

@@ -89,10 +89,10 @@ public class ModuleGraphBuilder extends Graph.Builder<Module> {
         Graph.Builder<Module> builder = new Graph.Builder<>();
         Set<Module> visited = new HashSet<>();
         Deque<Module> deque = new LinkedList<>();
-        edges.entrySet().stream().forEach(e -> {
+        edges.entrySet().forEach(e -> {
             Module m = e.getKey();
             deque.add(m);
-            e.getValue().stream().forEach(v -> {
+            e.getValue().forEach(v -> {
                 deque.add(v);
                 builder.addEdge(m, v);
             });