/* package whatever; // don't place package name! */
import java.util.* ;
import java.lang.* ;
import java.io.* ;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
// your code goes here
}
}
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stdin
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public class Displaypattern {
public static void main(String[] args) {
System.out.println("J");
System.out.println("J aaa v vaaa");
System.out.println("JJ aa vv a a");
System.out.println("J aaaa v aaaa");
}
}