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copied!<p>If you have an arrangement like this (I'll assume no packages for now):</p> <pre><code>/src A.java B.java C.java </code></pre> <p>Create a directory <code>/classes</code> at the same level as <code>/src</code>. Then run this command in a command shell after navigating to the folder that contains both <code>/src</code> and <code>/classes</code>:</p> <pre><code>javac -d ./classes src/*.java </code></pre> <p>You'll find all your .class files in the <code>/classes</code> folder.</p> <p>If C has the main method you need to run, you'll do it like this: </p> <pre><code>java -cp .;classes C </code></pre> <p>Here are the samples that I used to do it:</p> <p>A.java:</p> <pre><code>public class A { public String toString() { return A.class.getName(); } } </code></pre> <p>B.java:</p> <pre><code>public class B { public String toString() { return B.class.getName(); } } </code></pre> <p>C.java:</p> <pre><code>public class C { public static void main(String [] args) { A a = new A(); B b = new B(); C c = new C(); System.out.println(a); System.out.println(b); System.out.println(c); } public String toString() { return C.class.getName(); } } </code></pre> <p>If you insist on using make, perhaps this will help:</p> <p><a href="http://www.cs.swarthmore.edu/~newhall/unixhelp/javamakefiles.html" rel="noreferrer">http://www.cs.swarthmore.edu/~newhall/unixhelp/javamakefiles.html</a></p> <p>You aren't a Swarthmore student, are you?</p> <p>Here, I've doctored their make for your case. Change the .java files and see if it works.</p> <pre><code># # define compiler and compiler flag variables # JFLAGS = -g -cp .:./classes -d ./classes JC = javac # # Clear any default targets for building .class files from .java files; we # will provide our own target entry to do this in this makefile. # make has a set of default targets for different suffixes (like .c.o) # Currently, clearing the default for .java.class is not necessary since # make does not have a definition for this target, but later versions of # make may, so it doesn't hurt to make sure that we clear any default # definitions for these # .SUFFIXES: .java .class # # Here is our target entry for creating .class files from .java files # This is a target entry that uses the suffix rule syntax: # DSTS: # rule # 'TS' is the suffix of the target file, 'DS' is the suffix of the dependency # file, and 'rule' is the rule for building a target # '$*' is a built-in macro that gets the basename of the current target # Remember that there must be a < tab > before the command line ('rule') # .java.class: $(JC) $(JFLAGS) $*.java # # CLASSES is a macro consisting of 4 words (one for each java source file) # CLASSES = \ Foo.java \ Blah.java \ Library.java \ Main.java # # the default make target entry # default: classes # # This target entry uses Suffix Replacement within a macro: # $(name:string1=string2) # In the words in the macro named 'name' replace 'string1' with 'string2' # Below we are replacing the suffix .java of all words in the macro CLASSES # with the .class suffix # classes: $(CLASSES:.java=.class) # # RM is a predefined macro in make (RM = rm -f) # clean: $(RM) *.class </code></pre>

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