short s1 = 1; s1 = s1 + 1; (s1+1运算结果是int型,需要强制转换类型)
short s1 = 1; s1 += 1;(可以正确编译)
public class Test {
public static void main(String[] args) {
int week = 2;
week += 100;
week = week % 7;
System.out.println("100天后星期" + week);
}
}
public class TestExer1 {
public static void main(String[] args) {
int hour = 89;
int day = hour / 24;
hour = hour % 24;
System.out.println("为抵抗洪水,战士连续作战" + day + "天" + hour + "小时");
}
}
public static void main(String[] args) {
char x = 'x';
int i = 10;
System.out.println(true? x : i);
System.out.println(true? 'x' : 10);
}