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diff --git a/CS_IS_B01/Code/classA.PNG b/CS_IS_B01/Code/classA.PNG
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diff --git a/CS_IS_B01/Code/diagram.PNG b/CS_IS_B01/Code/diagram.PNG
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diff --git a/CS_IS_B01/Code/first.java.txt b/CS_IS_B01/Code/first.java.txt
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--- /dev/null
+++ b/CS_IS_B01/Code/first.java.txt
@@ -0,0 +1,10 @@
+public class first
+{
+	public static void main(String args[])
+	{
+		System.out.println("welcome");
+
+
+}
+
+}
\ No newline at end of file
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