1 files changed, 29 insertions, 0 deletions
diff --git a/base/IsPositive.java b/base/IsPositive.java
new file mode 100644
index 0000000..09bcf1d
--- /dev/null
+++ b/base/IsPositive.java
@@ -0,0 +1,29 @@
+class IsPositive{
+    public static void main(String[] a){
+        System.out.println(new Positive().isPositive(10));
+    }
+}
+
+class Positive {
+    public boolean isPositive(int num){
+        boolean positive ;
+
+        if (0 < num)
+            positive = true ;
+        else
+            positive = false ;
+        return positive ;
+    }
+}
+
+class Positive2 extends Positive {
+    public boolean isPositive(int num){
+        boolean positive ;
+
+        if (0 < num)
+            positive = true ;
+        else
+            positive = false ;
+        return positive ;
+    }
+}