Java Programing laungage

//following Program using trim(), GetChar(), setlength(), append().
package r4r.co.in;
public class NewClass {
public static void main(String[] args) {
StringBuffer s1 = new StringBuffer("Increament in StringBuffer  ..");
System.out.println("Output= " + s1 + "\nLength of String = " + s1.length()
	//String Concatenation 
+ "\ncapacity of String = " + s1.capacity());
String s3 = "Increament in StringBuffer     ".trim();    
//whitespace is Trim
System.out.print(s3 + "\nNew Length of String after Trime:" + s3.length());
System.out.print("\nValue at position 8  = " + s1.charAt(8));    
//GetChar at position
s1.setCharAt(8, 't');
System.out.println("\nNewChar at position 8  = " + s1.charAt(8));
//Char change at position
s1.setLength(6); //GetChar length
System.out.println("String value upto position 8 = " + s1);
int s2 = 52;    //capacity increase
String s = s1.append("\nNew Capacity s2 = ").append(s2).append("!").toString();
System.out.println(s);
    }
}

// Program to sorting an Array in Strings.
package r4r.co.in;
public class NewClass {
static String arr[] = {
 "That", "Happen", "This", "Clock", "Ticking",
"Evil", "Habbit", "Java", "Skype", "Bb",
 "Ca", "Too", "Gone", "Send", "Message", "Add", 
 "Of", "Where", "country", "Addidas", "Nike", "Aa"};
    public static void main(String[] args) {
        {
            //Shortion of an Array in Increasing order
            System.out.println("Array in Increasing order:");
            for (int j = 0; j < arr.length; j++) {
                for (int i = j + 1; i < arr.length; i++) {
                    if (arr[i].compareTo(arr[j]) < 0) {
                        String t = arr[j];
                        arr[j] = arr[i];
                        arr[i] = t;
                    }
                }
                System.out.println(arr[j]);
            }
        }
        {
            //Shortion of an Array in Decreasing order
            System.out.println("\nArray in Decreasing order");
            for (int j = arr.length - 1; j > 0; j--) {
                for (int i = j - 1; i < arr.length; i++) {
                    if (arr[i].compareTo(arr[j]) < 0) {
                        String t = arr[j];
                        arr[j] = arr[i];
                        arr[i] = t;
                    }
                }
                System.out.println(arr[j]);
            }
        }
    }
}