1. First open your MyEclipse or Eclipse, the settings of these two things are the same, find Prefrences under the window and open it.
2. Find Colors and Fonts under Appearance under General
3. Find Text Font at the bottom of Basic in the right side of the interface
4. After clicking in, an interface will pop up. In this interface, you can modify your font, font and size, and save it after modification.
