Iterator vs List Iterator

 






Comments

Post a Comment

Popular posts from this blog

Linux process monitoring commands

  Kill a process on a port:  sudo kill -9 $(sudo lsof -t -i:#port-no) top: Provides a list of all the active processes in the machine, refreshes every 5s vmstat: Displays statistics for virtual memory, the kernel, the number of threads, CPU activity, interrupts, the swap, etc. lsof: List of open files, it is a command line utility that is used to list the information about the files that are opened by various processes. In Linux, everything is a file, ( pipes, sockets, directories, devices, etc.). So by using lsof, you can get the information about any opened files. netstat: Netstat command displays various network-related information such as network connections, routing tables, interface statistics, masquerade connections, multicast memberships etc. netstat -a | more:   List all ports using netstat -a netstat -at:  List all tcp ports using netstat netstat -ud:   List all udp ports using netstat iostat:  The iostat command in Linux is used for mo...
Read more

Check string is Palindrome

  Recursive Technique public class RecursionPalindrome { public static void main ( String [] args) { String str = "madada" ; System . out .println( new RecursionPalindrome().recursivePalindrome( str , 0 , str .length()- 1 )); } public boolean recursivePalindrome ( String txt, int front, int back){ if (front==back) return true ; if (txt.charAt(front)!=txt.charAt(back)) return false ; if (front<back+ 1 ) return recursivePalindrome(txt,front+ 1 ,back- 1 ); return false ; } } Using Loop public class Palindrome { public boolean isPalindrome ( String str){ int l =str.length()- 1 ; for ( int i= 0 ;i<str.length()- 1 ;i++){ if (str.charAt(i)!=str.charAt( l -i)) return false ; } return true ; } public static void main ( String [] args) { System . out .println( new Palindrome().isPalindrome( "malayala...
Read more

Python new operation

  self.sides = [0 for i in range(no_of_sides)] This will create the list of initial values zero.   class  Polygon:      def  __init__(self, no_of_sides):          self .n = no_of_sides          self .sides = [ 0   for  i  in  range(no_of_sides)]      def  inputSides(self):          self .sides = [float(input( "Enter side " +str(i+ 1 )+ " : " ))  for  i  in  range( self .n)]      def  dispSides(self):          for  i  in  range( self .n):             print( "Side" ,i+ 1 , "is" , self .sides[i]) class  Triangle(Polygon):      def  __init__(self):...
Read more