!7

sS srcText = [[
import java.util.concurrent.*;

class main {

public static void main(final String[] args) throws Exception {
  int value=9+9;
	int value2=10+9;
  Callable<Boolean> attempt = () -> value2 > value;	
	while (attempt.call() == true){
		System.out.println("egal");
		value2=value2 - 1;
	}
}
}
]];

p {
  print("JavaX: " + get(getJavaX(), "version"));
  print("Java: " + System.getProperty("java.version"));
    
  print("Callable: " + _getClass("java.util.concurrent.Callable"));
  File src = getProgramFile("main.java");
  saveTextFile(src, srcText);
  print(invokeEcj(print("-source 1.8 -d " + f2s(programDir()) + " " + f2s(src))));
}

Began life as a copy of #1008599