Method safeStringUpper2

java/lib/src/main/java/io/github/ccxt/Exchange.java:1028–1030

(Object obj, Object key1, Object key2, Object... defaultValue)

    }

    public Object safeStringUpper2(Object obj, Object key1, Object key2, Object... defaultValue) {
        return SafeMethods.safeStringUpper2(obj, key1, key2, defaultValue);
    }

    public Object safeStringUpperN(Object obj, Object keys, Object... defaultValue) {
        return SafeMethods.safeStringUpperN(obj, keys, defaultValue);