class java/lang/Integer
toString
 ()Ljava/lang/String;
 ()L1java/lang/String;
toString
 (I)Ljava/lang/String;
 (I)L1java/lang/String;
toString
 (II)Ljava/lang/String;
 (II)L1java/lang/String;
valueOf
 (I)Ljava/lang/Integer;
 (I)L1java/lang/Integer;
