anchor.diff:  class Con { String s = "\nHello World\n"; }
   ^Z
   
  -C:\Users\peter>javac A.java // (1)
  +C:\Users\peter>javac A.java # <1>
   ╩■║╛   4 
              s Ljava/lang/String; <init> ()V Code LineNumberTable
   SourceFile A.java
positive.code:     System.out.println(¢);
  ----
  
  As _ and $ are allowed characters so all continuation and currency symbols are allowed.
  
  === Getting the top bit whether int or long.
  
  
negative.code:    System.out.println("Assertions are on");
  ----
  
  This shows you can easily determine is assertions are on for expensive checks. Another simple approach is:
  
  [source, Java]
  ----
  