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.......................
.............main(.....)
{
Integer iiiii = new Integer(2);
test(iiiii);
System.out.print(iiiii);
}
private void test(Integer kkk)
{
kkk++;
}
...........................
private void test(Integer kkk)
{
kkk++;//不能从Integer转换到int
}
.......................
.............main(.....)
{
Integer iiiii = new Integer(2);
iiiii = test(iiiii);
System.out.print(iiiii);
}
private Integer test(Integer kkk)
{
return kkk++;
}
...........................