1 setting conditions in the Breakpoints view
Set by the right-click menu ("Breakpoint Properties") labeled by the Blue breakpoint next to the code.
You can pause the program when the conditional code fragment is true, or suspend the program when the value of the code fragment changes.
2 variable View more visually view the values of a Map object or List object
3 Debugging is modifying data
4 Using the Display view
A piece of code is executed in the context of the current debug location
You can use all variables, even content assistants.
To execute your code, simply mark it and use the right-click menu or Ctrl+u (execute) or ctrl+shift+i (check).
5 Drop to Frame fallback
Once the F5 enters the code, you can simply rerun the frame code.
6 Direct access to the selected method
7 run directly to a line
Just put the cursor in front of which line you want to run and press "Ctrl+r".
8
9 Modifying the ToString implementation
Right-click an object in the variables view and click "New Detail Formatter ...". Then you can enter some code to show the object.
Http://developer.51cto.com/art/201411/457801.htm
Eclipse Breakpoint Debugging