public class Test {
public static void main(String[] args) {
if(args.length != 1)
{
System.out.println("Usage: Text (integer)") ;
return ;
}
try
{
int nArg = Integer.parseInt(args[0]) ;
System.out.println("[out]: " + nArg) ;
}catch(NumberFormatException e){
System.out.println("You must input a Integer. Program Terminated!") ;
}
}
}
public static void main(String[] args) {
if(args.length != 1)
{
System.out.println("Usage: Text (integer)") ;
return ;
}
try
{
int nArg = Integer.parseInt(args[0]) ;
System.out.println("[out]: " + nArg) ;
}catch(NumberFormatException e){
System.out.println("You must input a Integer. Program Terminated!") ;
}
}
}
第一:应该学会尊重他人的劳动成果。(给点分,你能死啊?)
第二:学着看jdk的帮助文档。