From 215bdf1933d7cbd6ccb6cbabd1d05118fc861036 Mon Sep 17 00:00:00 2001 From: tasnim_nz Date: Sun, 21 Sep 2025 08:55:39 +0600 Subject: [PATCH 1/2] add student class --- Student.java | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 Student.java diff --git a/Student.java b/Student.java new file mode 100644 index 0000000..e69de29 From a6d2048804c8bb5f5bae58a4d0ba16324e699d61 Mon Sep 17 00:00:00 2001 From: tasnim_nz Date: Sun, 21 Sep 2025 09:09:18 +0600 Subject: [PATCH 2/2] modified --- Calculator.java | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 Calculator.java diff --git a/Calculator.java b/Calculator.java new file mode 100644 index 0000000..efe6e0e --- /dev/null +++ b/Calculator.java @@ -0,0 +1,13 @@ +public class Calculator { + public int add(int a, int b) { return a + b; } + public int subtract(int a, int b) { return a - b; } + public int multiply(int a, int b) { return a * b; } + public int modulus(int a, int b) { + return a % b; +} + + public double divide(int a, int b) { + if (b == 0) throw new ArithmeticException("Cannot divide by zero"); + return (double) a / b; + } +}