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jimisdrpc · Feb 20, 2015 · 2b9f920 · 2b9f920
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Showing 7 changed files with 138 additions and 135 deletions.
diff --git a/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part1/Example1.java b/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part1/Example1.java
@@ -19,19 +19,19 @@
  * limitations under the License.
  * #L%
  */
-package com.javacreed.examples.lang.part1;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class Example1 {
-
-  private static final Logger LOGGER = LoggerFactory.getLogger(Example1.class);
-
-  public static void main(final String[] args) {
-    final String a = "abcd";
-    final String b = "abcd";
-
-    Example1.LOGGER.debug("Same? {}", a == b);
-  }
-}
+package com.javacreed.examples.lang.part1;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Example1 {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(Example1.class);
+
+  public static void main(final String[] args) {
+    final String a = "abcd";
+    final String b = "abcd";
+
+    Example1.LOGGER.debug("Same? {}", a == b);
+  }
+}
diff --git a/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part1/Example2.java b/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part1/Example2.java
@@ -19,19 +19,19 @@
  * limitations under the License.
  * #L%
  */
-package com.javacreed.examples.lang.part1;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class Example2 {
-
-  private static final Logger LOGGER = LoggerFactory.getLogger(Example2.class);
-
-  public static void main(final String[] args) {
-    final String a = new String("abcd");
-    final String b = new String("abcd");
-
-    Example2.LOGGER.debug("Same? {}", a == b);
-  }
-}
+package com.javacreed.examples.lang.part1;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Example2 {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(Example2.class);
+
+  public static void main(final String[] args) {
+    final String a = new String("abcd");
+    final String b = new String("abcd");
+
+    Example2.LOGGER.debug("Same? {}", a == b);
+  }
+}
diff --git a/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part2/Example3.java b/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part2/Example3.java
@@ -19,20 +19,20 @@
  * limitations under the License.
  * #L%
  */
-package com.javacreed.examples.lang.part2;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class Example3 {
-
-  private static final Logger LOGGER = LoggerFactory.getLogger(Example3.class);
-
-  public static void main(final String[] args) {
-    final String a = new String("abcd");
-    final String b = new String("abcd");
-
-    Example3.LOGGER.debug("Same? {}", a == b);
-    Example3.LOGGER.debug("Same intern? {}", a.intern() == b.intern());
-  }
-}
+package com.javacreed.examples.lang.part2;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Example3 {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(Example3.class);
+
+  public static void main(final String[] args) {
+    final String a = new String("abcd");
+    final String b = new String("abcd");
+
+    Example3.LOGGER.debug("Same? {}", a == b);
+    Example3.LOGGER.debug("Same intern? {}", a.intern() == b.intern());
+  }
+}
diff --git a/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part3/Example4.java b/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part3/Example4.java
@@ -19,25 +19,25 @@
  * limitations under the License.
  * #L%
  */
-package com.javacreed.examples.lang.part3;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class Example4 {
-
-  private static final Logger LOGGER = LoggerFactory.getLogger(Example4.class);
-
-  public static void main(final String[] args) {
-    final int limit = 50000000;
-    final List<String> data = new ArrayList<>(limit);
-    for (int i = 0; i < limit; i++) {
-      data.add(new String("Sphinx of black quartz, judge my vow"));
-    }
-
-    Example4.LOGGER.debug("Done");
-  }
-}
+package com.javacreed.examples.lang.part3;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Example4 {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(Example4.class);
+
+  public static void main(final String[] args) {
+    final int limit = 50000000;
+    final List<String> data = new ArrayList<>(limit);
+    for (int i = 0; i < limit; i++) {
+      data.add(new String("Sphinx of black quartz, judge my vow"));
+    }
+
+    Example4.LOGGER.debug("Done");
+  }
+}
diff --git a/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part3/Example5.java b/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part3/Example5.java
@@ -19,25 +19,25 @@
  * limitations under the License.
  * #L%
  */
-package com.javacreed.examples.lang.part3;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class Example5 {
-
-  private static final Logger LOGGER = LoggerFactory.getLogger(Example5.class);
-
-  public static void main(final String[] args) {
-    final int limit = 50000000;
-    final List<String> data = new ArrayList<>(limit);
-    for (int i = 0; i < limit; i++) {
-      data.add(new String("Sphinx of black quartz, judge my vow").intern());
-    }
-
-    Example5.LOGGER.debug("Done");
-  }
-}
+package com.javacreed.examples.lang.part3;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Example5 {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(Example5.class);
+
+  public static void main(final String[] args) {
+    final int limit = 50000000;
+    final List<String> data = new ArrayList<>(limit);
+    for (int i = 0; i < limit; i++) {
+      data.add(new String("Sphinx of black quartz, judge my vow").intern());
+    }
+
+    Example5.LOGGER.debug("Done");
+  }
+}
diff --git a/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part3/Example6.java b/...g Space with String Caching/src/main/java/com/javacreed/examples/lang/part3/Example6.java
@@ -19,27 +19,27 @@
  * limitations under the License.
  * #L%
  */
-package com.javacreed.examples.lang.part3;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class Example6 {
-
-  private static final Logger LOGGER = LoggerFactory.getLogger(Example6.class);
-
-  public static void main(final String[] args) {
-    final StringPool cache = new StringPool();
-
-    final int limit = 50000000;
-    final List<String> data = new ArrayList<>(limit);
-    for (int i = 0; i < limit; i++) {
-      data.add(cache.get(new String("Sphinx of black quartz, judge my vow")));
-    }
-
-    Example6.LOGGER.debug("Done");
-  }
-}
+package com.javacreed.examples.lang.part3;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Example6 {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(Example6.class);
+
+  public static void main(final String[] args) {
+    final StringPool cache = new StringPool();
+
+    final int limit = 50000000;
+    final List<String> data = new ArrayList<>(limit);
+    for (int i = 0; i < limit; i++) {
+      data.add(cache.get(new String("Sphinx of black quartz, judge my vow")));
+    }
+
+    Example6.LOGGER.debug("Done");
+  }
+}
diff --git a/...Space with String Caching/src/main/java/com/javacreed/examples/lang/part3/StringPool.java b/...Space with String Caching/src/main/java/com/javacreed/examples/lang/part3/StringPool.java
@@ -19,21 +19,24 @@
  * limitations under the License.
  * #L%
  */
-package com.javacreed.examples.lang.part3;
-
-import java.util.HashMap;
-import java.util.Map;
-
-public class StringPool {
-
-  private final Map<String, String> cache = new HashMap<>();
-
-  public String get(final String value) {
-    String cachedValue = cache.get(value);
-    if (cachedValue == null) {
-      cachedValue = value;
-      cache.put(value, value);
-    }
-    return cachedValue;
-  }
-}
+package com.javacreed.examples.lang.part3;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import net.jcip.annotations.NotThreadSafe;
+
+@NotThreadSafe
+public class StringPool {
+
+  private final Map<String, String> cache = new HashMap<>();
+
+  public String get(final String value) {
+    String cachedValue = cache.get(value);
+    if (cachedValue == null) {
+      cachedValue = value;
+      cache.put(value, value);
+    }
+    return cachedValue;
+  }
+}