Create Solution.java

Author: Jerring

solution/0240.Search a 2D Matrix II/Solution.java

@@ -0,0 +1,16 @@
+class Solution {
+    public boolean searchMatrix(int[][] matrix, int target) {
+        int i = matrix.length - 1;
+        int j = 0;
+        while (i >= 0 && j < matrix[0].length) {
+            if (matrix[i][j] < target) {
+                ++j;
+            } else if (matrix[i][j] > target) {
+                --i;
+            } else {
+                return true;
+            }
+        }
+        return false;
+    }
+}