Question

How to use readLine() inside a while loop in Java

Answer 1

import java.io.BufferedReader;
import java.io.InputStreamReader;
 
class Program
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader r = new BufferedReader (new InputStreamReader (System.in));
		
		String str;
		
		System.out.println("Enter numbers, 42 to exit:");
		while (!(str = r.readLine()).startsWith("42")) {
		    System.out.println(str);
		}
	}
}



/*
run:

Enter numbers, startsWith 42 to exit:
5
5
8
8
0
0
364873
364873
4230

*/

 

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