From 3625bc6cbddd473659b3f584c0dbec515c07c786 Mon Sep 17 00:00:00 2001 From: Kamal Wickramanayake Date: Sat, 21 Feb 2026 20:32:52 +0530 Subject: Added oop/interfaces sample code --- oop/11-interfaces/Calculator.java | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 oop/11-interfaces/Calculator.java (limited to 'oop/11-interfaces/Calculator.java') diff --git a/oop/11-interfaces/Calculator.java b/oop/11-interfaces/Calculator.java new file mode 100644 index 0000000..aa716b0 --- /dev/null +++ b/oop/11-interfaces/Calculator.java @@ -0,0 +1,24 @@ +//abstract interface Calculator { +interface Calculator { + public final static double PI = 3.14; + + // double PI = 3.14; + // public static double PI = 3.14; + // public final double PI = 3.14; + // final double PI = 3.14; + // static double PI = 3.14; + + public int add(int a, int b); + // int add(int a, int b); + // abstract int add(int a, int b); + // public abstract int add(int a, int b); + + // static int add(int a, int b); // Not allowed + // int add(int a, int b); // Allowed + +// public int subtract(int a, int b); +// int subtract(int a, int b); + abstract int subtract(int a, int b); + + public double divide(double a, double b); +} -- cgit v1.2.3