/**
* @author lautturi.com
* Java example: check if input is empty or not in java
*/
import java.util.*;
import java.io.*;
public class Lautturi {
public static void main(String[] args) {
InputStreamReader r=new InputStreamReader(System.in);
BufferedReader br=new BufferedReader(r);
System.out.println("Enter a name");
String name = null;
try {
name = br.readLine();
if (name.isEmpty()){
System.out.println("the input is empty!");
}
else {
System.out.println("Name:"+name);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}Sourww:ecw.lautturi.comexample of output 1:
Enter a name the input is empty!
example of output 2:
Enter a name lau Name:lau