Question

java String hex = "0x01" 如何转成Int? 请教大虾们！！

Answer 1

String str = "0x01";
int value = Integer.getInteger(str, 16).intValue();
System.out.println(value);

即可

Answer 2

System.out.println(Integer.parseInt(hex.substring(2), 16));

Answer 3

BIgInteger看看这个 构造方法有。