StreamToLoop tests grouped

2026-09-09 20:42:52 +07:00 · 2017-01-27 17:41:53 +07:00
parent babce0b78c
commit fb6ba726e5
307 changed files with 2749 additions and 4686 deletions
@@ -0,0 +1,49 @@
+// "Fix all 'Stream API call chain can be replaced with loop' problems in file" "true"
+
+import java.util.OptionalDouble;
+import java.util.stream.*;
+
+public class Main {
+  private static OptionalDouble testDouble(long... numbers) {
+      double sum = 0;
+      long count = 0;
+      for (long x : numbers) {
+          if (x > 0) {
+              double v = x;
+              sum += v;
+              count++;
+          }
+      }
+      return count > 0 ? OptionalDouble.of(sum / count) : OptionalDouble.empty();
+  }
+
+  private static OptionalDouble testInt(int... numbers) {
+      long sum = 0;
+      long count = 0;
+      for (int x : numbers) {
+          if (x > 0) {
+              sum += x;
+              count++;
+          }
+      }
+      return count > 0 ? OptionalDouble.of((double) sum / count) : OptionalDouble.empty();
+  }
+
+  private static OptionalDouble testLong(long... numbers) {
+      long sum = 0;
+      long count = 0;
+      for (long x : numbers) {
+          if (x > 0) {
+              sum += x;
+              count++;
+          }
+      }
+      return count > 0 ? OptionalDouble.of((double) sum / count) : OptionalDouble.empty();
+  }
+
+  public static void main(String[] args) {
+    System.out.println(testDouble(-1,-2,-3, Long.MAX_VALUE, Long.MAX_VALUE));
+    System.out.println(testInt(-1,-2,-3));
+    System.out.println(testLong(-1,-2,-3, Long.MAX_VALUE, Long.MAX_VALUE));
+  }
+}