Compiling 1 source file to E:\VijayWebApps\Sample\build\generated\classes E:\VijayWebApps\Sample\build\generated\src\org\apache\jsp\index_jsp.java:94: cannot find symbol symbol : variable i location: class org.apache.jsp.index_jsp prime[i]= i+1; ^ E:\VijayWebApps\Sample\build\generated\src\org\apache\jsp\index_jsp.java:94: cannot find symbol symbol : variable i location: class org.apache.jsp.index_jsp prime[i]= i+1; ^ E:\VijayWebApps\Sample\build\generated\src\org\apache\jsp\index_jsp.java:94: incompatible types found : <nulltype> required: int prime[i]= i+1; ^ E:\VijayWebApps\Sample\build\generated\src\org\apache\jsp\index_jsp.java:159: cannot find symbol symbol : variable j location: class org.apache.jsp.index_jsp prime[j]=0;