📅  最后修改于: 2022-03-11 14:52:11.160000             🧑  作者: Mango
public static boolean isInt(String str) {
try {
@SuppressWarnings("unused")
int x = Integer.parseInt(str);
return true; //String is an Integer
} catch (NumberFormatException e) {
return false; //String is not an Integer
}
}