jodd-json/src/main/java/jodd/json/JsonWriter.java
public void writeName(final String name) {
		if (name != null) {
			writeString(name);
		}
		else {
			write(NULL);
		}

		write(':');
	}
public void writeName(final String name) {
		if (name != null) {
			writeString(name);
		}
		else {
			write(NULL);
		}

		write(':');
	}
Writes object's property name: string and a colon.