[eclipse] Effective Debugging: Conditional Breakpoints

雙點擊產生中斷點後，右鍵選擇 breakpoint properties
conditiconal 打竊 寫判斷式
ex: i == 50 即可
之後只中斷點只有在此判斷式成立才會進入
reference: https://dzone.com/articles/effective-debugging