runtimetest.java

java的命令行执行参数演示

public class RuntimeTest
{
	public static void main(String argv[])
	{
		String cmd = "java ExternalProgram ";
		if (argv.length == 0)
        	        cmd += 0;
		else
	                cmd += argv[0];

		try
		{
			Process ps = Runtime.getRuntime().exec(cmd);
			ps.waitFor();

	                if (ps.exitValue() == 0)
        	                System.out.println("External program terminate normally.");
                	else
                        	System.out.println("External program terminate abnormally.");
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}
	}
}