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

This article http://www.thejavageek.com/2016/04/03/debug-jdk-source-code/ describe the same but in simple and nice way. You do stuff(compile,make jar) by using eclipse only.