debug jdk source can't watch variable what it is

Question

I\'m debugging the JDK source like:

 public static int codePointAt(CharSequence seq, int index) {
        char c1 = seq.charAt(index++);
        if (isHighSu         


        

Answer 1

c-s's jre\lib\endorsed solution is great. Easier to build is with Eclipse: create a Java project, put javax*, java* into src and let Eclipse compile. Then export the jar.