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The command line in Java refers to the interface where users can pass arguments to a Java program during its execution. These arguments are passed through the command line and can be accessed within the program using the main method's parameter, which is an array of String objects.
How Command Line Arguments Work
When a Java program is executed, the Java Virtual Machine (JVM) wraps the command line arguments into an array of String objects and passes it to the main method. The main method is defined as:
public static void main(String[] args) {// code}Here, args is the array that contains the command line arguments. Each argument is stored as a String and can be accessed using array indexing.
Example of Command Line Arguments
Consider the following example where a Java program prints the command line arguments:
class Main {public static void main(String[] args) {System.out.println("Command-Line arguments are:");for (String str : args) {System.out.println(str);}}} The java Command - Oracle
Learn how to launch a Java application with the java command, with options for class path, module path, source file, logging, and more. See syntax, examples, and descriptions of the java command and its variants.
See results only from docs.oracle.comCommand-Line Arguments
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