“否则”是否比“Switch()case”更快?
int a = 5;if (a == 1){
....}else if(a == 2){
....}else if(a == 3){
....}else if(a == 4){
....}else
....int a = 5;switch(a){
case 1:
...
break;
case 2:
...
break;
case 3:
...
break;
case 4:
...
break;
default:
...
break;}
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