polish

Author: forax

chapter25-stream.jsh

@@ -10,17 +10,18 @@
 // By example, to count the number of persons with a name starting by 'E',
 // one can write
 var names = List.of("Evan", "Helen", "Ebo");
-var sum = 0;
+var count = 0;
 for(var name: names) {
   if (name.startsWith("E")) {
-    sum++;
+    count++;
   }
 }
-System.out.println(sum);
+System.out.println(count);
 
 // But using a stream, it's simpler
 var names = List.of("Evan", "Helen", "Ebo");
-var sum = names.stream().filter(name -> name.startsWith("E")).count();
+var count = names.stream().filter(name -> name.startsWith("E")).count();
+System.out.println(count);
 
 
 // ## Sources

guide/chapter25-stream.md

@@ -7,19 +7,20 @@ By example, to count the number of persons with a name starting by 'E',
 one can write
 ```java
 var names = List.of("Evan", "Helen", "Ebo");
-var sum = 0;
+var count = 0;
 for(var name: names) {
   if (name.startsWith("E")) {
-    sum++;
+    count++;
   }
 }
-System.out.println(sum);
+System.out.println(count);
 ```
 
 But using a stream, it's simpler
 ```java
 var names = List.of("Evan", "Helen", "Ebo");
-var sum = names.stream().filter(name -> name.startsWith("E")).count();
+var count = names.stream().filter(name -> name.startsWith("E")).count();
+System.out.println(count);
 ```
 
 

jupyter/chapter25-stream.ipynb

@@ -16,7 +16,7 @@
   "execution_count": null,
   "metadata": {},
   "outputs": [],
-  "source": ["var names = List.of(\"Evan\", \"Helen\", \"Ebo\");\n", "var sum = 0;\n", "for(var name: names) {\n", "  if (name.startsWith(\"E\")) {\n", "    sum++;\n", "  }\n", "}\n", "System.out.println(sum);\n"]
+  "source": ["var names = List.of(\"Evan\", \"Helen\", \"Ebo\");\n", "var count = 0;\n", "for(var name: names) {\n", "  if (name.startsWith(\"E\")) {\n", "    count++;\n", "  }\n", "}\n", "System.out.println(count);\n"]
 }
 ,
 {
@@ -30,7 +30,7 @@
   "execution_count": null,
   "metadata": {},
   "outputs": [],
-  "source": ["var names = List.of(\"Evan\", \"Helen\", \"Ebo\");\n", "var sum = names.stream().filter(name -> name.startsWith(\"E\")).count();\n"]
+  "source": ["var names = List.of(\"Evan\", \"Helen\", \"Ebo\");\n", "var count = names.stream().filter(name -> name.startsWith(\"E\")).count();\n", "System.out.println(count);\n"]
 }
 ,
 {