From b7a0c822e19c0dcdd8ea2b7af4b6040643a298e2 Mon Sep 17 00:00:00 2001
From: "Md. Aiful Alam Mahim" <arifulalam7865@gmail.com>
Date: Sat, 20 Sep 2025 21:36:45 +0600
Subject: [PATCH 1/2] Added Student Class.java

---
 Java/Student.java | 17 +++++++++++++++++
 Java/main.java    |  7 +++++++
 2 files changed, 24 insertions(+)
 create mode 100644 Java/Student.java
 create mode 100644 Java/main.java

diff --git a/Java/Student.java b/Java/Student.java
new file mode 100644
index 00000000..2405bba8
--- /dev/null
+++ b/Java/Student.java
@@ -0,0 +1,17 @@
+public class Student {
+    private string name;
+    private int roll;
+
+    Student(string name, int roll) {
+        this.name = name;
+        this.roll = roll;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getRoll() {
+        return roll;
+    }
+}
\ No newline at end of file
diff --git a/Java/main.java b/Java/main.java
new file mode 100644
index 00000000..04485fd8
--- /dev/null
+++ b/Java/main.java
@@ -0,0 +1,7 @@
+public class main {
+    public static void main(String[] args) {
+        Student student = new Student("Alice", 101);
+        System.out.println("Name: " + student.getName());
+        System.out.println("Roll: " + student.getRoll());
+    }
+}
\ No newline at end of file

From 38575777bc27f51bceab144080a1e3009ba1173b Mon Sep 17 00:00:00 2001
From: "Md. Aiful Alam Mahim" <arifulalam7865@gmail.com>
Date: Sat, 20 Sep 2025 21:45:15 +0600
Subject: [PATCH 2/2] Added Calculator

---
 Java/Calculator.class | Bin 0 -> 576 bytes
 Java/Calculator.java  |  20 ++++++++++++++++++++
 Java/Student.class    | Bin 0 -> 445 bytes
 Java/Student.java     |   4 ++--
 Java/main.class       | Bin 0 -> 1425 bytes
 Java/main.java        |   6 ++++++
 6 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 Java/Calculator.class
 create mode 100644 Java/Calculator.java
 create mode 100644 Java/Student.class
 create mode 100644 Java/main.class

diff --git a/Java/Calculator.class b/Java/Calculator.class
new file mode 100644
index 0000000000000000000000000000000000000000..5a4d17acb72835a3b881deea6129ef441c11d564
GIT binary patch
literal 576
zcmZvY*-FDe6o&t?OKP->b+;9wSFIQA1Gs?L3I&&oir}4-WT;c8Nl7Plc>&+SXAs0I
zK|$|*DDg}X3SutKEa%Jr|7X6w-#!4eQL!<Fl!f#xGRQKN`h3iriU+;ssoNKxX2|Zy
zK<Yh)RIPq)A;+*efjUZw9#{KOFCK_Mw{JZ$)G`cmuo;||9Lo`%9QV$-7g6ZQkrRa4
z;Yx)!!f)8HFl(Ii42!j+iELL#GU#m^zaoQuz?By(uEU5SeGvMBp?D+%aS{()5uI^Y
z(M^i`K0~I~>C`(6xl!!uh?@a&gIH-fRChFsPl?R$3D#oBcQyB}kNNOd#O{W1<cULR
z6pItzhRKEv6zI9kmjP)YOSMF&by}IZ-FgLkp$)?vRns<mhBD@<8nkNOo7Qxtdij)e
zCuEA4h5tzZFKH3E_#b)omz*JT3Cq9kyGSSQ3)M&D-(g*pr(ZGiS$U{FgwK>_D#=|)
Vm?E(y8n}!V>QJ@<iL55j+7A#_WBmXC

literal 0
HcmV?d00001

diff --git a/Java/Calculator.java b/Java/Calculator.java
new file mode 100644
index 00000000..d1027372
--- /dev/null
+++ b/Java/Calculator.java
@@ -0,0 +1,20 @@
+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 double divide(int a, int b) {
+        if (b == 0) {
+            throw new IllegalArgumentException("Division by zero is not allowed.");
+        }
+        return (double) a / b;
+    }
+}
\ No newline at end of file
diff --git a/Java/Student.class b/Java/Student.class
new file mode 100644
index 0000000000000000000000000000000000000000..b08a752044b81dda6f5cb43cc2d30e7fef51c383
GIT binary patch
literal 445
zcmZXQPfNo<5XIjnZPv7DQ){h%(1W)of<1Utyof@fR4~$e+Abj_O&}!wR2~#8f(Ji<
zA4+_QMa8o0n_>9P%-j9=e0v9QgTop$=n@qRRTu)Txxe)Lksk;ByUAQlGXdi=jKl0o
zK<_zY6I(DPY8L9S1f-YcGZmAn#Qs7Fw1>X~yetjl;G$@0TCmX~l_pUnAO-^6-X=P5
z#$>LO87JApFjk{{F;VG*KZ#h8fyzeZmQK&vZ2kuB%LTN`6*Vu()2X@*i*9Re^{g<6
z6PnWa0~!xsQf73>sPk5_4ZelhdGS4rw)+a<o~|I>qZJy@ED7vT+o({hR0Ad?nj9?9
n!R~s%F{3C5_XYClr_Csfb!r!T)MD3PwDI^4wF&LBrs3cV!g)y@

literal 0
HcmV?d00001

diff --git a/Java/Student.java b/Java/Student.java
index 2405bba8..846580ed 100644
--- a/Java/Student.java
+++ b/Java/Student.java
@@ -1,8 +1,8 @@
 public class Student {
-    private string name;
+    private String name;
     private int roll;
 
-    Student(string name, int roll) {
+    Student(String name, int roll) {
         this.name = name;
         this.roll = roll;
     }
diff --git a/Java/main.class b/Java/main.class
new file mode 100644
index 0000000000000000000000000000000000000000..d1b389d7ac0315f626abe0c2cb77b51b49fa8ddc
GIT binary patch
literal 1425
zcmaJ>>r&G|6#kY1X+sn!HxWTlE-fHcyi-J>h*Zl(ibcd*Xm(&BO*+jMhd1#p9Q^?^
zWyS~ap&ZX9Fwmi6ew@vo>-U{=l0SbdzX80&R~>Z-X{a~QfJTOvJ@dd!*rv0SSlQm=
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zEgD)4MA24NDSPNiUZ4VQnd)@}(ZWrvQmCW^+$<zjfer(m=%V^NTrQgh&d?r<U#=A;
zX59v^qlclZVD9sj>*P(jA>=N-dD3*G$1q$2WsPJydeNuhrh$G8Ftqv1s<9EEqC#pr
z1in_*oC1H_z#xVK@N2GZ`~6Hu!7!q*##C&&1^^AC40_76^JUwVZb?TRAtmk@m_UNk
zn3hFjh^5nUN>_&wWt=o{Um3$*d0Upuyo@3gSRNU8>{|+DTZ*E67)5<xnKF>XG!5Jm
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zx2#((<@th8UJ;dLLN%E-WX^S^N9c=7T<*G-7e<=;rzStu&%$^^7u8Asvc%9dYgs}H
z*YOoA3|F(K<j-_(8CsVD+JZLXOr53JdE)E^isnYV(~-l5hWCp1Cd1(QLJQ}>-RFs5
zuY=86p#Hk0Lx%4cr+?}gU|%#H%jVu-#&!40#pLBqT+mbnt{)b84fl(^3_jH4#lf7W
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zy>v1<8%B@8e$op=ilj2D_XuV&Pp5MILF*Wz^V<ou&1j^BAEPPr3s=XE&|bkc;0QN@
z>#Yig{p$(ho5vViBK3H<@d)D;+&%O2756H5P^EZS!ILV*(+ZyXigR$o1PcVkAV59D
zWt2YRNrVY_1nbbj(S!rChUhn{_%7fTox?<Gov1AO^0hBBzFhX@sxQ~@fqZrH+rlS&
GLH9p<v{J_a

literal 0
HcmV?d00001

diff --git a/Java/main.java b/Java/main.java
index 04485fd8..4b1554c3 100644
--- a/Java/main.java
+++ b/Java/main.java
@@ -3,5 +3,11 @@ public static void main(String[] args) {
         Student student = new Student("Alice", 101);
         System.out.println("Name: " + student.getName());
         System.out.println("Roll: " + student.getRoll());
+
+        Calculator calculator = new Calculator();
+        System.out.println("Addition: " + calculator.add(5, 3));
+        System.out.println("Subtraction: " + calculator.subtract(5, 3));
+        System.out.println("Multiplication: " + calculator.multiply(5, 3));
+        System.out.println("Division: " + calculator.divide(5, 3));
     }
 }
\ No newline at end of file