/* 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
{
{
java.util.function.Predicate<String> f = n->n.matches("(.)\\1*");
System.
out.
println(f.
test("444")); System.
out.
println(f.
test("12")); System.
out.
println(f.
test("122")); System.
out.
println(f.
test("112")); System.
out.
println(f.
test("1")); }
}
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