import java.util.Scanner;
public class IfElseTest{
public static void main(String args[]){
IfElseTest ieT = new IfElseTest();
args = new String[5]; //注意要,預先給args分配空間,
Scanner in = new Scanner(System.in);
args[0]= in.next();
ieT.go(args);
in.close();
}
public void go(String sa[]){
System.out.println(sa.length);
if(sa.length == 0){
System.out.println("無參數");
}
else {
String s = sa[0];
if(s.equals("true")||s.equals("TRUE")){
System.out.println("OK");
}
else if(s.equals("false")||s.equals("FALSE")){
System.out.println("NOT OK");
}
else {
System.out.println("無效的命令");
}
}
}
}
ps:函數裏面的參數(String [ ] args)和(String args [ ])兩種寫法都是表示字符串數組args[ ].