JEP 400

java-api/src/java18/java/xyz/wagyourtail/jvmdg/j18/stub/java_base/J_L_System.java

@@ -0,0 +1,36 @@
+package xyz.wagyourtail.jvmdg.j18.stub.java_base;
+
+import xyz.wagyourtail.jvmdg.version.Ref;
+import xyz.wagyourtail.jvmdg.version.Stub;
+
+import java.util.Properties;
+
+/**
+ * JEP 400
+ */
+public class J_L_System {
+
+    @Stub(ref = @Ref("java/lang/System"))
+    public static String getProperty(String key) {
+        if (key.equals("native.encoding")) {
+            // check if native.encoding is actually set
+            var prop = System.getProperty(key);
+            if (prop != null) {
+                return prop;
+            }
+            // return fallback
+            return System.getProperty("file.encoding");
+        }
+        return System.getProperty(key);
+    }
+
+    @Stub(ref = @Ref("java/lang/System"))
+    public static Properties getProperties() {
+        var props = System.getProperties();
+        if (!props.containsKey("native.encoding")) {
+            props.put("native.encoding", props.getProperty("file.encoding"));
+        }
+        return props;
+    }
+
+}

java-api/src/java18/java/xyz/wagyourtail/jvmdg/j18/stub/java_base/J_N_C_Charset.java

@@ -4,6 +4,7 @@
 import xyz.wagyourtail.jvmdg.version.Stub;
 
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.nio.charset.UnsupportedCharsetException;
 
 public class J_N_C_Charset {
@@ -17,4 +18,13 @@ public static Charset forName(String name, Charset defaultCharset) {
         }
     }
 
+    /**
+     * JEP 400
+     */
+    @Stub(ref = @Ref("java/nio/charset/Charset"))
+    public static Charset defaultCharset() {
+        return StandardCharsets.UTF_8;
+    }
+
+
 }