PICalculator org.eclipse.cdt.managedbuilder.core.genmakebuilder clean,full,incremental, org.eclipse.jdt.core.javabuilder org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder full,incremental, org.eclipse.m2e.core.maven2Builder org.eclipse.m2e.core.maven2Nature org.eclipse.jdt.core.javanature