33

jshERP-boot/src/main/java/com/jsh/erp/utils/OverRide.java

+package com.jsh.erp.utils;
+
+public class OverRide {
+		}
+		class Shape {
+		public int area(int length,int width) {
+		System.out.println ("Shape~area");
+		return length*width;
+		}
+		}
+		class triangle extends Shape{
+		@Override
+		public int area(int length,int width) {
+		System.out.println ("triangle ~area");
+		return 1/2*length*width;
+		}
+}