codingChallenge

.idea/runConfigurations/Unnamed.xml

@@ -1,11 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Unnamed" type="Application" factoryName="Application" nameIsGenerated="true">
-    <option name="ALTERNATIVE_JRE_PATH" value="17" />
-    <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
-    <option name="MAIN_CLASS_NAME" value="Amazon" />
-    <module name="MvnDemo" />
-    <method v="2">
-      <option name="Make" enabled="true" />
-    </method>
-  </configuration>
-</component>

Alone.java

@@ -0,0 +1,23 @@
+
+public class Alone {
+  public static void main(String[] args) {
+
+    int[] ar = { 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9 };
+    lonelyNum(ar);
+  }
+
+  public static void lonelyNum(int[] arr) {
+    for (int i = 0; i < arr.length; i++) {
+      int count = 0;
+
+      for (int k = 0; k < arr.length; k++) {
+        if (arr[i] == arr[k]) {
+          count++;
+        }
+      }
+      if (count == 1) {
+        System.out.println(arr[i]);
+      }
+    }
+  }
+}

JavaList.java

@@ -0,0 +1,29 @@
+import java.io.*;
+import java.util.*;
+
+public class JavaList {
+
+  public static void main(String[] args) {
+    /*
+     * Enter your code here. Read input from STDIN. Print output to STDOUT. Your
+     * class should be named Solution.
+     */
+    List<Integer> L = new ArrayList<>();
+    Scanner scan = new Scanner(System.in);
+    System.out.print("Enter the number of Queries: ");
+    int Q = scan.nextInt();
+    while (Q-- > 0) {
+      int N = scan.nextInt();
+      L.add(N);
+    }
+    int x = scan.nextInt();
+    int y = scan.nextInt();
+    L.add(x, y);
+    int xagain = scan.nextInt();
+    L.remove(xagain);
+    for (int i = 0; i < L.size(); i++) {
+      System.out.print(L.get(i) + " ");
+    }
+    scan.close();
+  }
+}

src/main/java/Alone.java

@@ -0,0 +1,24 @@
+/**
+ *
+ * Alone
+ */
+public class Alone {
+
+  public static void main(String[] args) {
+    int[] arr = { 1, 1, 1, 3, 4, 4, 5, 5, 5, 5 };
+    System.out.println(lonelyNum(arr));
+  }
+
+  public static int lonelyNum(int[] nums) {
+    int count = 0;
+    nums[0] = 0;
+    for (int x : nums) {
+      for (int i = 0; i < nums.length; i++) {
+        if (x != nums[i]) {
+          count++;
+        }
+      }
+    }
+    return count;
+  }
+}

src/main/java/PrepSession/Alonea.java

@@ -0,0 +1,23 @@
+/**
+ *
+ * Alone
+ */
+public class Alonea {
+
+  public static void main(String[] args) {
+    int[] arr = { 1, 1, 1, 3, 4, 4, 5, 5, 5, 5 };
+    System.out.println(lonelyNum(arr));
+  }
+
+  public static int lonelyNum(int[] nums) {
+    int count = 0;
+    int i = nums.length;
+    for (int x : nums) {
+      if (x == nums[i]) {
+        count++;
+      }
+    }
+
+    return count;
+  }
+}