Select the Show Supported Breakpoints command [ ] to indicate if only breakpoints applicable to the current debug target should be visible or not.
Example: If you have C/C++ and Java breakpoints, with this option turned on you will only seee those breakpoints applicable to what you are currently debugging. Meaning if you are debugging a java program the breakpoints view will only display Java breakpoint .
Adding breakpoints
Removing breakpoints
Launching a Java program
Running and debugging