add gson examples

janbodnar · janbodnar · commit 712c79161f26 · 2019-02-23T15:13:11.000+01:00
diff --git a/json/gson/GsonBuilderEx.java b/json/gson/GsonBuilderEx.java
@@ -0,0 +1,35 @@
+package com.zetcode;
+
+import com.google.gson.FieldNamingPolicy;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import java.io.IOException;
+import java.io.PrintStream;
+
+class User {
+    
+    private final String firstName;
+    private final String lastName;
+
+    public User(String firstName, String lastName) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+}
+
+public class GsonBuilderEx {
+
+    public static void main(String[] args) throws IOException {
+
+        try (PrintStream prs = new PrintStream(System.out, true, 
+                "UTF8")) {
+            
+            Gson gson = new GsonBuilder()
+                    .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
+                    .create();
+            
+            User user = new User("Peter", "Flemming");
+            gson.toJson(user, prs);
+        }
+    }
+}
