Java Command Line Argument

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In the java program, you can pass the argument through java command-line argument at runtime. The arguments passed from the console which as an input in the java program.

You can pass 'n' numbers of arguments from the command prompt.

Java commandline argument

Example 1:-

You must pass at least one argument through the command prompt.

 public class CommandLine{  
	public static void main(String args[]){  
		System.out.println("Enter the first argument: "+args[0]);  
	}  
} 
 compile > javac CommandLine.java  
run > java CommandLine welcome
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Example 2:-

You can pass 'n' numbers of arguments through the command prompt.

public class CommandLine1{  
	public static void main(String args[]){  
  		for(int i=0; i < args.length; i++) 
		{ 
			System.out.println(args[i]); 
        } 
  	}  
}  
compile > javac CommandLine1.java  
run > java CommandLine Welcome To Onlinetpoint
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