public static void main(String[] args) {
int num = 100;
if ((num & 0x01) == 1) {
System.out.println(num + "是奇数");
} else {
System.out.println(num + "是偶数");
}
}

public static void main(String[] args) {
int num = 100;
if ((num & 0x01) == 1) {
System.out.println(num + "是奇数");
} else {
System.out.println(num + "是偶数");
}
}