CLASS_FILES := $(JAVA_FILES:.java=.class)
TEST_JAVA_FILES := $(wildcard tests/*.java)
TEST_CLASS_FILES := $(TEST_JAVA_FILES:.java=.test)
CLASS_FILES := $(JAVA_FILES:.java=.class)
TEST_JAVA_FILES := $(wildcard tests/*.java)
TEST_CLASS_FILES := $(TEST_JAVA_FILES:.java=.test)