Gives an error message:
Information: Using javac 1.7.0_80 to compile java sources
Information: java: Errors occurred while compiling module 'JavaRushHomeWork'
Information: 09/25/15 7:49 PM - Compilation completed with 4 errors and 0 warnings in 1s 23ms
C: \ Users \ 1 \ Desktop \ javas \ JavaRushHomeWork \ src \ com \ javarush \ test \ level06 \ lesson11 \ bonus01 \ Solution.java
Error: (10, 51) java: cannot find symbol
symbol: class IOException
location: class com.javarush.test.level06.lesson11.bonus01.Solution
Error: (12, 9) java: cannot find symbol
symbol: class BufferedReader
location: class com.javarush.test.level06.lesson11.bonus01.Solution
Error: (12, 38) java: cannot find symbol
symbol: class BufferedReader
location: class com.javarush.test.level06.lesson11.bonus01.Solution
Error: (12, 57) java: cannot find symbol
symbol: class InputStreamReader
location: class com.javarush.test.level06.lesson11.bonus01.Solution
Previously, everything was OK, and then suddenly stopped seeing classes, or what? Already all rearranged and updated - still does not find something.
How to fix this error?