Challenge 32.

JavaZakariae · JavaZakariae · commit e814ff507b7d · 2019-11-07T21:16:26.000+01:00
String and immutability.
diff --git a/src/main/java/challenge31_40/Challenge_32.java b/src/main/java/challenge31_40/Challenge_32.java
@@ -0,0 +1,17 @@
+package challenge31_40;
+
+/**
+ *  unlike StringBuilder, String are immutable.
+ */
+public class Challenge_32 {
+    public static void main( String[] args ) {
+        var jedi = "masterYoda";
+        changeString(jedi);
+        System.out.println(jedi);
+    }
+
+    private static String changeString( String word ) {
+        word.replace(word, "newMasterYoda");
+        return word;
+    }
+}
