j3_07.java

本光盘是《JSP应用教程》的配套光盘

public class j3_07{
public static void main(String argv[]){
     String str = "abcdefg";
     System.out.print(str.charAt(2));
     System.out.print(str.substring(1, 2));
     System.out.print(str.indexOf("bc"));
     if ( str.equals("abcdefg")){
     	System.out.print("相等\n");
     }
	}
}