How to compile multiple Java files together?

To compile multiple Java files together, you can follow these steps:

1. Ensure that every Java file is in the same directory.
2. Open the Command Prompt or Terminal window and navigate to the directory where the Java file is located.
3. Compile all Java files with the javac command. Use the wildcard * to compile all Java files. For example, you can use the following command to compile all Java files into bytecode files (.class files):

javac *.java

1. After successful compilation, bytecode files corresponding to each Java file will be generated in the current directory.
2. When Java files have dependencies on each other (such as one Java file referencing a class in another Java file), you need to compile these files according to their dependency relationships. For example, if there are two files, A.java and B.java, and A.java references a class in B.java, then B.java needs to be compiled first, followed by A.java.
3. To run the compiled program, you can use the Java command to execute the main class. For example, if there is a main class named Main, you can run the program using the following command:

java Main