JAVA EE: Java Tutorial : Java StringBuffer [subSequence(int start, int end) method]

Wednesday, 13 April 2016

Java Tutorial : Java StringBuffer [subSequence(int start, int end) method]

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Java Tutorial : Java StringBuffer [subSequence(int start, int end) method]

SubSequenceDemo.java

/*
 * public CharSequence subSequence(int start, int end)
 * 
 * Parameters: 
 * ---------- 
 * start - the start index,inclusive. 
 * 
 * end - the end index, exclusive.
 * 
 * Returns: 
 * ------- 
 * the specified subsequence.
 * 
 * Throws: 
 * ------ 
 * IndexOutOfBoundsException - if start or end 
 * are negative, if end is greater than length(),
 * or if start is greater than end
 */
public class SubSequenceDemo
{

    public static void main(String[] args)
    {
        StringBuffer sb = new StringBuffer("Welcome");
        CharSequence charSequence = sb.subSequence(3, 6);
        String strValue = (String) charSequence;
        System.out.println("strValue = " + strValue);

    }
}