public static Boolean valueOf(boolean b) {
return b ? Boolean.TRUE : Boolean.FALSE;
}
Fragment fragment = new MyFragment();
// or
Date date = new Date();
Fragment fragment = MyFragment.newIntance();
// or
Calendar calendar = Calendar.getInstance();
// or
Integer number = Integer.valueOf("3");
valueOf、newInstance、getInstance
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本文标题：Item 1: Consider Static Factory
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