ex1.java

来自「help desk for hospitals/health care syst」· Java 代码 · 共 19 行

import java.io.PrintStream;

class ex1
{

    ex1()
    {
    }

    public static void main(String args[])
    {
        String s = "C-001";
        String s1 = "";
        System.out.println("Hello World!");
        s1 = s.substring(0, 2);
        System.out.println(s1);
    }
}