How to Compile and Run Java ProgramIn this section, we learn how to compile and run java program step by step. Step 1: Write a program on the notepad and save it with .java (for example, DemoFile.java) extension. Step 2: Open Command Prompt. Step 3: Set the directory in which the .java file is saved. In our case, the .java file is saved in C:\\demo. ![]() Step 4: Use the following command to compile the Java program. It generates a .class file in the same folder. It also shows an error if any. ![]() Step 5: Use the following command to run the Java program: ![]()
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