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Commit b001c21

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1 parent 472bc9a commit b001c21

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+99
-17
lines changed

‎FindSumOfNumbersApproachASCII.java

Lines changed: 3 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,11 +1,9 @@
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package powerJavaLearning;
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/*Write a java code to find the sum of the given numbers in a string
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Input: "asdf1qwer9as8d7"
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output: 1+9+8+7 = 25 */
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public class FindSumOfNumbersApproachASCII {
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/*Write a java code to find the sum of the given numbers
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Input: "asdf1qwer9as8d7"
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output: 1+9+8+7 = 25 */
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public static void main(String[] args) {
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String input ="asdf1qwer9as8d7";
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char[] array = input.toCharArray();

‎FindSumOfNumbersApproachCharClass.java

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Original file line numberDiff line numberDiff line change
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package powerJavaLearning;
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public class FindSumOfNumbersApproachCharClass {
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/*Write a java code to find the sum of the given numbers
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Input: "asdf1qwer9as8d7"
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output: 1+9+8+7 = 25 */
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public static void main(String[] args) {
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String input ="asdf1qwer9as8d7";
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//using charArray operation
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System.out.println("logic using Character class");
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String numberFromString = input.replaceAll("\\D", "");
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int sumAp1=0;
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char[] charArray = numberFromString.toCharArray();
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for (int i = 0; i < numberFromString.length(); i++) {
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char charAt = charArray[i];
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sumAp1 += Integer.parseInt(String.valueOf(charAt));
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}
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System.out.println("Sum of Integers "+sumAp1);
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}
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}

‎FindSumOfNumbersApproachRegex.java

Lines changed: 0 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -7,18 +7,6 @@ public class FindSumOfNumbersApproachRegex {
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public static void main(String[] args) {
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String input ="asdf1qwer9as8d7";
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//using charArray operation
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System.out.println("logic using characterArray operation");
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String numberFromString = input.replaceAll("\\D", "");
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int sumAp1=0;
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char[] charArray = numberFromString.toCharArray();
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for (int i = 0; i < numberFromString.length(); i++) {
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char charAt = charArray[i];
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sumAp1 += Integer.parseInt(String.valueOf(charAt));
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}
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System.out.println("Sum of Integers "+sumAp1);
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//using mathematical operation
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System.out.println("logic using mathematical operation");
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int number=Integer.parseInt(input.replaceAll("[^0-9]", ""));
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package powerJavaLearning;
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public class ReverseEvenWordsInAStringUsingIterate {
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/*Write a java program to do the following.
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* Input: "When the world realise its own mistakes, corona will dissolve automatically"
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* output: "When eht world esilaer its nwo mistakes, anoroc will evlossid automatically"
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* */
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public static void main(String[] args) {
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String input = "When the world realise its own mistakes, corona will dissolve automatically";
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String[] inputSplit= input.split(" ");
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//String Reversal Using iteration
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for (int i = 0; i < inputSplit.length; i++) {
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if (i%2 == 0) {
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System.out.print(inputSplit[i]+ " ");
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}else {
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int strLength=inputSplit[i].length();
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for (int j = strLength -1 ; j >= 0; j--) {
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System.out.print(inputSplit[i].charAt(j));
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System.out.print("");
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}
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System.out.print(" ");
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}
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}
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}
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}
Lines changed: 42 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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package powerJavaLearning;
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public class ReverseEvenWordsInAStringUsingStringBuffer {
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/*Write a java program to do the following.
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* Input: "When the world realise its own mistakes, corona will dissolve automatically"
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* output: "When eht world esilaer its nwo mistakes, anoroc will evlossid automatically"
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* */
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public static void main(String[] args) {
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String input = "When the world realise its own mistakes, corona will dissolve automatically";
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String[] inputSplit= input.split(" ");
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//String Reversal Using append function
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System.out.println("Reversal using Append " );
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StringBuffer tempString01 = new StringBuffer();
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for (int i = 0; i < inputSplit.length; i++) {
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if ((i%2) != 0) {
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tempString01.append(new StringBuffer(inputSplit[i]).reverse()).append(" ");
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} else {
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tempString01.append(new StringBuffer(inputSplit[i])).append(" ");
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}
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}
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System.out.println(tempString01);
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//String Reversal Using reverse function
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System.out.println("Reversal using reverse " );
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for (int i = 0; i < inputSplit.length; i++) {
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if ((i%2) != 0) {
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StringBuffer tempString02 = new StringBuffer(inputSplit[i]);
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inputSplit[i] = tempString02.reverse().toString();
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}
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}
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for (int i = 0; i < inputSplit.length; i++) {
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System.out.print(inputSplit[i] + " ");
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}
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}
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}

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