Java conslole - arrays - arraylist

http://prntscr.com/a3hg8q CALCULATOR Objects, Classes and Methods ------- Reading User Input from Console------------ 1) a http://prntscr.com/a3hpw5 b http://prntscr.com/a3hq7k 2) a http://prntscr.com/a3htzi b http://prntscr.com/a3hu71 3) compute total http://prntscr.com/a3hwi5 4)count matches http://prntscr.com/a3hxcw 5) find first matches http://prntscr.com/a3hxu0 -------------------------- Arrays and --------------------------- sum of arrays http://prntscr.com/a3i4kh min max and average of score a http://prntscr.com/a3i5il b http://prntscr.com/a3i5r3 c http://prntscr.com/a3i5wx student with min/max score .. average of class and print their name of max and low student score a http://prntscr.com/a3i7qs b http://prntscr.com/a3i8az http://prntscr.com/a3i8ix c http://prntscr.com/a3i91z simple 2 dimensional array http://prntscr.com/a3ia1o ------------------------- ArrayList ------------------------- 0 public static void main(String[] args) { String[] stuffArray = {"foo","bar","baz","boz","gaz","goz"}; ArrayList<String> stuff = new ArrayList<String>(); stuff.addAll(Arrays.asList(stuffArray)); for (int i = 0; i < stuff.toArray().length; i++) System.out.println(stuff.toArray()[i]); } 1 List myList = new ArrayList(); String[] myStringArray = new String[] {"Java", "is", "Cool"}; Collections.addAll(myList, myStringArray); 3 remove / get from position/ print http://www.homeandlearn.co.uk/java/images/java_2015/arrays/ArrayList.gif 4 // create an array list ArrayList al = new ArrayList(); System.out.println("Initial size of al: " + al.size()); // add elements to the array list al.add("C"); al.add("A"); al.add("E"); al.add("B"); al.add("D"); al.add("F"); al.add(1, "A2"); System.out.println("Size of al after additions: " + al.size()); // display the array list System.out.println("Contents of al: " + al); // Remove elements from the array list al.remove("F"); al.remove(2); System.out.println("Size of al after deletions: " + al.size()); System.out.println("Contents of al: " + al); 4) compare http://beginnersbook.com/2013/12/how-to-compare-two-arraylist-in-java/ 5) merge/print 2 arraylist 6) find position http://beginnersbook.com/2013/12/java-arraylist-indexof-method-example/ 7) clone http://beginnersbook.com/2013/12/how-to-clone-an-arraylist-to-another-arraylist/ 8) checking the specified element 9) emty/clear and array http://beginnersbook.com/2013/12/how-to-empty-an-arraylist-in-java/ 10) find size http://beginnersbook.com/2013/12/how-to-find-length-of-arraylist-in-java/ 11) check if is emty boolean result = stringList.isEmpty(); //return true if List is empty if(stringList.size() == 0){ System.out.println("ArrayList is empty"); } 12 iterator http://tutorialspointexamples.com/arraylist-in-java/ ----------------------PRIME nUMBER / FOR LOOP-------------------- http://prntscr.com/a3hvad COMPARE sTRINGS http://prntscr.com/a3ht4x Random number http://prntscr.com/a3hyq0

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