// OC: 如果只有一條指令if后面的大括號可以省略
int age1 = 10;
int age2 = 20;
int max;
max = age2;
if (age1 > age2) {
max = age1;
}
NSLog(@"%d", max);
// 輸出結(jié)果:20
if (age1 > age2) {
max = age1;
}else{
max = age2;
}
NSLog(@"%d", max);
// 輸出結(jié)果:20
//Swift:
var age1:Int = 10
var age2:Int = 20
var max:Int
max = age2;
if age1 > age2 {
max = age1
}
print(max)
//輸出結(jié)果:20
if age1 > age2 {
max = age1;
}else {
max = age2;
}
print(max)
//輸出結(jié)果:20
