1 CheckInterfaceComparison.java:10:31: compiler.warn.get.class.compared.with.interface 2 CheckInterfaceComparison.java:14:31: compiler.warn.get.class.compared.with.interface 3 CheckInterfaceComparison.java:18:31: compiler.warn.get.class.compared.with.interface 4 CheckInterfaceComparison.java:22:31: compiler.warn.get.class.compared.with.interface 5 4 warnings