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static int MAX_VALUE£º·µ»Ø×î´óµÄÕûÐÍÊý£»
static int MIN_VALUE£º·µ»Ø×îСµÄÕûÐÍÊý£»
static Class TYPE £º·µ»Øµ±Ç°ÀàÐÍ¡£
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Integer i = new Integer("1234");
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1. byteValue()£ºÈ¡µÃÓÃbyteÀàÐͱíʾµÄÕûÊý£»
2. int compareTo(Integer anotherInteger) £º±È½ÏÁ½¸öÕûÊý¡£ÏàµÈʱ·µ»Ø£°£»Ð¡ÓÚʱ·µ»Ø¸ºÊý£»´óÓÚʱ·µ»ØÕýÊý¡£
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Integer i = new Integer(1234);
System.out.println("i.compareTo: " + i.compareTo(new Integer(123)) );
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3. int compareTo(Object o) £º½«¸ÃÕûÊýÓëÆäËûÀà½øÐбȽϡ£Èç¹ûoҲΪIntegerÀ࣬½øÐз½·¨2 µÄ²Ù×÷£»·ñÔò£¬Å׳öClassCastExceptionÒì³£¡£
4. static Integer decode(String nm) £º½«×Ö·û´®×ª»»ÎªÕûÊý¡£
5. double doubleValue() £ºÈ¡µÃ¸ÃÕûÊýµÄË«¾«¶È±íʾ¡£
6. boolean equals(Object obj) £º±È½ÏÁ½¸ö¶ÔÏó¡£
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9. static Integer getInteger(String nm, int val) £ºÉÏÃæµÄÖØÔØ¡£
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11. int hashCode() £º·µ»Ø¸ÃÕûÊýÀàÐ͵ĹþÏ£±íÂë¡£
12. int intValue() £º ·µ»Ø¸ÃÕûÐÍÊýËù±íʾµÄÕûÊý¡£
13. long longValue() £º·µ»Ø¸ÃÕûÐÍÊýËù±íʾµÄ³¤ÕûÊý¡£
14. static int parseInt(String s) £º½«×Ö·û´®×ª»»³ÉÕûÊý¡£s±ØÐëÊÇʱ½øÖÆÊý×é³É£¬·ñÔòÅ׳öNumberFormatExceptionÒì³£¡£
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