今天在学习 if 语句时写下了这样一段代码:
if( 3<= i<= 5 ){
System.out.println("春天");
}else if( 6 <= i <= 8 ){
System.out.println("夏天");
}else if( 9 <=i <=11 ){
System.out.println("秋天");
}else{
System.out.println("冬天");
}; if( 3<= i<= 5 )