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2¡£Ê¹ÓÃjava.util.ResourceBundleÀàµÄgetBundle()·½·¨
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3¡£Ê¹ÓÃjava.util.PropertyResourceBundleÀàµÄ¹¹Ô캯Êý
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6¡£Ê¹ÓÃjava.lang.ClassLoaderÀàµÄgetSystemResourceAsStream()¾²Ì¬·½·¨
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