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CodingBat Java Solutions 2 - Array1

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<b>Given an array of ints length 3, return a new array with the elements in reverse order, so {1, 2, 3} becomes {3, 2, 1}. </b><br />
<b>reverse3({1, 2, 3}) → {3, 2, 1}</b><br />
<b>reverse3({5, 11, 9}) → {9, 11, 5}</b><br />
<b>reverse3({7, 0, 0}) → {0, 0, 7}</b><br />
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<h4 style="text-align: left;">
Solution:</h4>
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public int[] reverse3(int[] nums) {<br />
  int[] rev={nums[2],nums[1],nums[0]};<br />
  return rev;<br />
}<br />
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HOME Java CodingBat Java Solutions 2 - Array1

Given an array of ints length 3, return a new array with the elements in reverse order, so {1, 2, 3} becomes {3, 2, 1}. reverse3({1, 2,...

CodingBat Java Solutions - Array1

8:33 AM Sailaja K 2

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<b><br /></b>
<b><br /></b><b>Given an array of ints length 3, figure out which is larger between the first and last elements in the array, and set all the other elements to be that value. Return the changed array. </b><br />
<b>maxEnd3({1, 2, 3}) → {3, 3, 3}</b><br />
<b>maxEnd3({11, 5, 9}) → {11, 11, 11}</b><br />
<b>maxEnd3({2, 11, 3}) → {3, 3, 3}</b><br />
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<h3 style="text-align: left;">
Solution:</h3>
public int[] maxEnd3(int[] nums) {<br />
  int max = Math.max(nums[0], nums[2]);<br />
  nums[0] = max;<br />
  nums[1] = max;<br />
  nums[2] = max;<br />
  return nums;<br />
<br />
  // Solution notes: you could write if-logic to figure out<br />
  // which element is the biggest, but here we use Math.max()<br />
  // to solve that part nicely.<br />
}<br />
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<h3 style="text-align: left;">
OR</h3>
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public int[] maxEnd3(int[] nums) {<br />
  int[] maxVal=new int[3];<br />
  maxVal[0]=nums[0];<br />
  if(nums[2] >= maxVal[0])<br />
  maxVal[0] = nums[2];<br />
  maxVal[1] = maxVal[0];<br />
  maxVal[2] = maxVal[0];<br />
  return maxVal;<br />
}<br />
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Given an array of ints length 3, figure out which is larger between the first and last elements in the array, and set all the other ...

Credit Card Validation JavaScript Code

12:06 PM Sailaja K 72

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// Credit Card Validation Javascript<br />
// copyright 12th May 2003, by Stephen Chapman, Felgall Pty Ltd<br />
<br />
// You have permission to copy and use this javascript provided that<br />
// the content of the script is not changed in any way.<br />
<br />
function validateCreditCard(s) {<br />
function cardval(s) {<br />
// remove non-numerics<br />
var v = "0123456789";<br />
var w = "";<br />
for (i=0; i < s.length; i++) {<br />
x = s.charAt(i);<br />
if (v.indexOf(x,0) != -1)<br />
w += x;<br />
}<br />
// validate number<br />
j = w.length / 2;<br />
if (j < 6.5 || j > 8 || j == 7) return false;<br />
k = Math.floor(j);<br />
m = Math.ceil(j) - k;<br />
c = 0;<br />
for (i=0; i<k; i++) {<br />
a = w.charAt(i*2+m) * 2;<br />
c += a > 9 ? Math.floor(a/10 + a%10) : a;<br />
}<br />
for (i=0; i<k+m; i++) c += w.charAt(i*2+1-m) * 1;<br />
return (c%10 == 0);<br />
}<br />
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// Credit Card Validation Javascript // copyright 12th May 2003, by Stephen Chapman, Felgall Pty Ltd // You have permission to copy...

RamiReddy Sir Core Java Material

3:53 AM Sailaja K 99

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Basic Concepts Of Core Java by Rami Reddy Sir by Sathya Technologies

CodingBat Java Solutions 2 - Array1

CodingBat Java Solutions - Array1

Credit Card Validation JavaScript Code

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