JAVAC = javac

package: PreUtils.class OJSubClass.class PreGraph.class PremChaRM.class

all: package

clean: 
	rm *.class

PreGraph.class: PreGraph.java
	$(JAVAC) PreGraph.java

PreUtils.class: PreUtils.java
	$(JAVAC) PreUtils.java

OJSubClass.class: OJSubClass.java
	$(JAVAC) OJSubClass.java

PremChaRM.class: PremChaRM.java
	$(JAVAC) PremChaRM.java
