16進(jìn)制int轉(zhuǎn)16進(jìn)制String
int a = 0x1f601; //16進(jìn)制int(打印無(wú)法顯示16進(jìn)制而是10進(jìn)制:128513)
String b = Integer.toHexString(a); //(b打印顯示為1f601).
10進(jìn)制int轉(zhuǎn)16進(jìn)制String
int a = 128513;
String b = Integer.toHexString(a); //(b打印顯示為1f601).
16進(jìn)制string轉(zhuǎn)換成10進(jìn)制int
int x = Integer.parseInt("1f601", 16); //x為128513
16進(jìn)制int轉(zhuǎn)unicode編碼
int a = 0x1f601;
int b[] = {a};
String unicode = new String(b, 0, b.length); // unicode = "\ud83d\ude01"
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