From c4df62e35b2bdc39f954c6e1d7590f2ddfa6d744 Mon Sep 17 00:00:00 2001
From: durgeshsingh20 <76812050+durgeshsingh20@users.noreply.github.com>
Date: Fri, 7 Oct 2022 10:22:08 +0530
Subject: [PATCH] Hacktoberfest2022

---
 pairsum02302302.java | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 pairsum02302302.java

diff --git a/pairsum02302302.java b/pairsum02302302.java
new file mode 100644
index 0000000..6e7cdfd
--- /dev/null
+++ b/pairsum02302302.java
@@ -0,0 +1,34 @@
+import java.util.*;
+public class pairsum{
+    // 2 pointer apporach
+    public static boolean pairsumm(ArrayList<Integer> list , int target){
+        int lp = 0 ;
+        int rp = list.size()-1;
+        while(lp!=rp){
+            if(list.get(lp)+list.get(rp)==target){
+                return true;
+            }
+            else if(list.get(lp)+list.get(rp)<target){
+                lp++;
+            }
+            else{
+                rp++;
+            }
+        }
+        return false;
+    }
+
+    public static void main(String args[]) {
+        
+        ArrayList<Integer> list1 = new ArrayList<>();
+        list1.add(1);
+        list1.add(2);
+        list1.add(3);
+        list1.add(4);
+        list1.add(5);
+        list1.add(6);
+        int target = 5;
+
+        System.out.print(pairsumm(list1,target));
+    }
+}
\ No newline at end of file