Integer.parseInt (字串轉整數)

Integer.parseInt : 為字串轉整數

java.lang
Class Integer

java.lang.Object
  java.lang.Number
      java.lang.Integer

All Implemented Interfaces:

Serializable, Comparable<Integer>

Method Summary

static int

parseInt(String s)           Parses the string argument as a signed decimal integer.

Example:

public class app1_4

{

public static void main(String args[])

{

int n1 = Integer.parseInt(args[0]);

int n2 = Integer.parseInt(args[1]);

System.out.println("n1 +  n2 = " + (n1 + n2));

}

}