Why don't work this simple command with Scanner? return no output

Question

import java.util.Scanner;

class coseDaFare {
public static void main(String[ ] args) {
Scanner myVar = new Scanner(System.in);

String[] lunedi = { "film", "pattini", "musica"};
String[] martedi = { "scuola", "merenda","gelato"};

if (myVar.nextLine() == "lunedi"){

System.out.println(lunedi[1]);
}

}
}

Answer 1

Dan, dan, dan...!! Hatsy Rei debugs a Java code!

So the problem here is that, strings in Java cannot be compared using ==. Consider the following fix:

import java.util.Scanner;

class coseDaFare {
public static void main(String[ ] args) {
Scanner myVar = new Scanner(System.in);

String[] lunedi = { "film", "pattini", "musica"};
String[] martedi = { "scuola", "merenda","gelato"};

String x = myVar.nextLine();

if (x.equals("lunedi"))
{
System.out.println(lunedi[1]);
}

}
}

You need to use .equals() to compare the strings. Also, as Nelson pointed out, you need to store your input into a variable first before comparing the strings. =^=

Answer 2

Check the if statement first... What are you trying to do there? I'm not sure that you can compare the user input with a whole string array just like that. So, the output statement will never run.

Answer 3

thank's Hatsy, now i have understand the problem , thank's Nelson. Hasty have response

Answer 4

Please...:(

Answer 5

thank's Hatsy, now i have understand the problem , thank's Nelson. Hasty have response

Answer 6

thank's Ace for altenative path