public class ModifyStrTest{
	public static void main(String args[]){
		String sourceStr = "This is a string testing example!";
		String strObj1  = sourceStr.substring(8);
		String strObj2  = sourceStr.substring(8,16);
		String strObj3  = strObj2.toUpperCase();
		String strObj4  = sourceStr.replace('i','j');
		String strObj5  = sourceStr.concat(strObj1);
		
		System.out.println("Source String:" + sourceStr);
		System.out.println("Sub String 1:" + strObj1);
		System.out.println("Sub String 2:" + strObj2);
		System.out.println("UpperCase of sub string 2:" + strObj3);
		System.out.println("String after replacing source string:" + strObj4);
		System.out.println("Making source string and sub string 1 into one:" + strObj5);
	}
}