public class StringUse{
    public static void main(String[] args){
        String s1 = new String("fantacy");
        char c[]=new char[10];
        s1.getChars(0,3,c,0);
        System.out.println("s1.length = "+s1.length());
        System.out.print("s1.startWith fan = ");
        System.out.println(s1.startsWith("fan"));
        System.out.print("s1.endWith fan = ");
        System.out.println(s1.endsWith("fan"));
        System.out.println("s1.charAt(4)="+s1.charAt(4));

        

	String sql = "select x from x where id=x";
	System.out.println("before is:"+sql);
	String r1 = sql.replace("x", "table");
	System.out.println("replace:" + r1);
	String r2 = sql.replaceFirst("x", "table");
	System.out.println("replaceFirst:" + r2);
	String r3 = sql.replaceAll("x", "table");
	System.out.println("replaceAll:" + r3);

    }
}