1) intValue () is the Integer object type into the base data type of int; unpacking
2) parseInt () is the basic data into String type int;
. 3) valueOf () is converted to the Integer String object type; (JDK version now supports the automatic boxing and unboxing.) packing
intvalue()、parseInt()、valueof()
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Origin www.cnblogs.com/yangrongkuan/p/12028518.html
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