- Added guest contributions by Mohammad Meraj Zia.

2 files changed, 44 insertions, 0 deletions

diff --git a/challenge-180/ziameraj16/java/FirstUniqueCharacter.java b/challenge-180/ziameraj16/java/FirstUniqueCharacter.java
new file mode 100644
index 0000000000..c05c77338b
--- /dev/null
+++ b/challenge-180/ziameraj16/java/FirstUniqueCharacter.java
@@ -0,0 +1,23 @@
+import java.util.Map;
+import java.util.Scanner;
+import java.util.TreeMap;
+
+public class FirstUniqueCharacter {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Enter a string");
+        String str = scanner.nextLine();
+        Map<Character, Integer> map = new TreeMap();
+        for (int i = 0; i < str.length(); i++) {
+            map.put(str.charAt(i), map.getOrDefault(str.charAt(i), 0) + 1);
+        }
+        for (int i = 0; i < str.length(); i++) {
+            if (map.get(str.charAt(i)) == 1) {
+                System.out.println(i);
+                break;
+            }
+        }
+        System.out.println("No unique character found");
+    }
+}
diff --git a/challenge-180/ziameraj16/java/TrimList.java b/challenge-180/ziameraj16/java/TrimList.java
new file mode 100644
index 0000000000..f35edea713
--- /dev/null
+++ b/challenge-180/ziameraj16/java/TrimList.java
@@ -0,0 +1,21 @@
+import java.util.*;
+import java.util.stream.Collectors;
+
+public class TrimList {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Enter comma separated numbers");
+        String numbers = scanner.nextLine();
+        System.out.println("Enter number");
+        int  i = scanner.nextInt();
+        List<Integer> list = Arrays.stream(numbers.split(",")).map(Integer::valueOf).collect(Collectors.toList());
+        List<Integer> newList = new ArrayList();
+        for (int num : list) {
+            if (num > i) {
+                newList.add(num);
+            }
+        }
+        System.out.println(newList);
+    }
+}