#10 effective java: item 6

effective-java/src/main/java/com/example/effectivejava/chapter01/item06/Client.java

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+package com.example.effectivejava.chapter01.item06;
+
+public class Client {
+
+    public static void main(String[] args) {
+        Deprecation deprecation = new Deprecation();
+        Deprecation deprecation1 = new Deprecation("string");
+    }
+}

effective-java/src/main/java/com/example/effectivejava/chapter01/item06/Deprecation.java

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+package com.example.effectivejava.chapter01.item06;
+
+public class Deprecation {
+
+    /**
+     * @deprecated in favor of
+     * {@link #Deprecation(String)}
+     */
+    @Deprecated(forRemoval = false, since = "1.2")
+    public Deprecation() {
+    }
+
+    private String name;
+
+    public Deprecation(String name) {
+        this.name = name;
+    }
+}

effective-java/src/main/java/com/example/effectivejava/chapter01/item06/RegularExpression.java

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+package com.example.effectivejava.chapter01.item06;
+
+import java.util.regex.Pattern;
+
+public class RegularExpression {
+
+    private static final Pattern SPLIT_PATTERN = Pattern.compile(",");
+
+    public static void main(String[] args) {
+        long start = System.nanoTime();
+        for (int j = 0; j < 10000; j++) {
+            String name = "keesun,whiteship";
+            name.split(",");
+//            SPLIT_PATTERN.split(name);
+        }
+        System.out.println(System.nanoTime() - start);
+    }
+}