challenge 30.

JavaZakariae · JavaZakariae · commit 71a3686eef38 · 2019-10-24T15:00:19.000+02:00
String class;== and equals method.
diff --git a/pom.xml b/pom.xml
@@ -13,8 +13,8 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>12</source>
-                    <target>12</target>
+                    <source>13</source>
+                    <target>13</target>
                 </configuration>
             </plugin>
         </plugins>
diff --git a/src/main/java/challenge21_40/Challenge_30.java b/src/main/java/challenge21_40/Challenge_30.java
@@ -0,0 +1,18 @@
+package challenge21_40;
+
+/**
+ *
+ * the intern method == and equals method
+ * 12568
+ */
+public class Challenge_30 {
+    public static void main(String[] args) {
+        String result = "";
+        result+= "powerfullcode ".trim() == "powerfullcode" ? "0":"1";
+        result+= "flexibleCode" == "flexibleCode" ? "2":"3";
+        result+= new String("doYourBest")==new String("doYourBest") ? "4":"5";
+        result+= new String("nobugProject").equals("nobugProject") ? "6":"7";
+        result+= new String("breakYourLimits").intern()==new String("breakYourLimits").intern() ? "8":"9";
+        System.out.println(result);
+    }
+}
