javac -classpath .:biojava-core-5.1.1.jar:biojava-alignment-5.1.1.jar TestDNANeedlemanWunsch.java 

java -classpath .:biojava-core-5.1.1.jar:biojava-alignment-5.1.1.jar:slf4j-simple-1.7.25.jar:slf4j-api-1.7.25.jar TestDNANeedlemanWunsch