Making 4 string from the given string
String s1 = " " , s2 = " " , s3 = " " , s4 = " " ; try { s1 = s . substring ( 0 , i ) ; s2 = s . substring ( i , j - i ) ; s3 = s . substring ( j , k - j ) ; s4 = s . substring ( k , s . length ( ) - k ) ; } catch ( StringIndexOutOfBoundsException e ) { }