Select the Group By view menu item to group the breakpoints in the Breakpoints View in one of a choice of predefined orderings.
The orderings are as follows:
The Advanced... command opens a dialog that allows you to specify multiple levels of groupings for your breakpoints. For example you could have breakpoint grouped by type, which are then further grouped by resource working set, which are then further grouped by projects.
Below is the Group Breakpoints dialog.
Create a breakpoint working set
Launching a Java program
Running and debugging