diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture 1.pdf b/CCVT_Code_Distribute/Lecture Files/Lecture 1.pdf
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diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture 2.pdf b/CCVT_Code_Distribute/Lecture Files/Lecture 2.pdf
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diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture 5 (Exception).pdf b/CCVT_Code_Distribute/Lecture Files/Lecture 5 (Exception).pdf
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index 0000000..3477bad
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diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture 7Cloning Theory.txt b/CCVT_Code_Distribute/Lecture Files/Lecture 7Cloning Theory.txt
new file mode 100644
index 0000000..e69de29
diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture 8(String & Wrapper).pdf b/CCVT_Code_Distribute/Lecture Files/Lecture 8(String & Wrapper).pdf
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diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture 9 (Strings).ppt b/CCVT_Code_Distribute/Lecture Files/Lecture 9 (Strings).ppt
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diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture3.pdf b/CCVT_Code_Distribute/Lecture Files/Lecture3.pdf
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index 0000000..e3f293f
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diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture4.pdf b/CCVT_Code_Distribute/Lecture Files/Lecture4.pdf
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index 0000000..e9dc7a9
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diff --git a/CCVT_Code_Distribute/Lecture Files/Lecture6 (inheritance and Interface) .pdf b/CCVT_Code_Distribute/Lecture Files/Lecture6 (inheritance and Interface) .pdf
new file mode 100644
index 0000000..8a2eb2e
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diff --git a/CCVT_Code_Distribute/Lecture Files/References b/CCVT_Code_Distribute/Lecture Files/References
new file mode 100644
index 0000000..7ca4ca1
--- /dev/null
+++ b/CCVT_Code_Distribute/Lecture Files/References	
@@ -0,0 +1 @@
+Most of the data taken from Oracle Java Docs, For further Reading visit : https://docs.oracle.com/javase/tutorial/
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Employee.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Employee.java
new file mode 100644
index 0000000..880f3a8
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Employee.java
@@ -0,0 +1,22 @@
+package com.rt.exceptionexamples;
+
+public class Employee {
+	
+	
+	int id;
+	String name;
+	public Employee(int id, String name) {
+		super();
+		this.id = id;
+		this.name = name;
+	}
+	
+	@Override
+	public String toString() {
+		// TODO Auto-generated method stub
+		return "Employee Id"+id+" Employee Name:"+name;
+	}
+	
+	
+
+}
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception10.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception10.java
new file mode 100644
index 0000000..c533650
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception10.java
@@ -0,0 +1,39 @@
+package com.rt.exceptionexamples;
+
+class Exception10 {
+// Through an exception out of the method.
+static void procA() {
+try {
+System.out.println("inside procA");
+throw new RuntimeException("demo");
+} finally {
+System.out.println("procA's finally");
+}
+}
+// Return from within a try block.
+static void procB() {
+try {
+System.out.println("inside procB");
+return ;
+} finally {
+System.out.println("procB's finally");
+}
+}
+static void procC() {
+try {
+System.out.println("inside procC");
+System.exit(0);
+} finally {
+System.out.println("procC's finally");
+}
+}
+public static void main(String args[]) {
+try {
+procA();
+} catch (Exception e) {
+System.out.println("Exception caught");
+}
+procB();
+procC();
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception11.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception11.java
new file mode 100644
index 0000000..97d0144
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception11.java
@@ -0,0 +1,24 @@
+package com.rt.exceptionexamples;
+
+class MyException extends RuntimeException {
+private int detail;
+MyException(int a) {
+detail = a;
+}
+public String toString() {
+return "MyException[" + detail + "]should be less than 10";
+}
+}
+class Exception11 {
+static void compute(int a)  {
+System.out.println("Called compute(" + a + ")");
+if(a > 10)
+throw new MyException(a);
+System.out.println("Normal exit");
+}
+public static void main(String args[]) {
+
+compute(1);
+compute(20);
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception2.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception2.java
new file mode 100644
index 0000000..926a17a
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception2.java
@@ -0,0 +1,29 @@
+package com.rt.exceptionexamples;
+
+class Exception2 {
+public static void main(String args[]) {
+int d, a;
+
+try { // monitor a block of code.
+d = 1;
+a = 42 / d;
+int a1[]=new int[10];
+a1[11]=21;
+System.out.println("This will not be printed.");
+//throw new IllegalAccessException();
+} catch (ArithmeticException e) { // catch divide-by-zero error
+System.out.println("Division by zero.");
+}
+catch(ArrayIndexOutOfBoundsException e)
+{
+	System.out.println("Array error");
+}
+
+catch(Exception o)
+{
+	System.out.println("Super Exception");
+}
+
+System.out.println("After catch statement.");
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception3.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception3.java
new file mode 100644
index 0000000..df55f56
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception3.java
@@ -0,0 +1,20 @@
+package com.rt.exceptionexamples;
+
+class Exception3 {
+public static void main(String args[]) {
+try {
+int a = args.length;
+System.out.println("a = " + a);
+int b = 42 / a;
+int c[] = { 1 };
+c[42] = 99;
+} catch(ArithmeticException e) {
+//System.out.println("Divide by 0: " + e.toStri);
+	e.printStackTrace();
+
+} catch(ArrayIndexOutOfBoundsException e) {
+System.out.println("Array index oob: " + e);
+}
+System.out.println("After try/catch blocks.");
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception4.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception4.java
new file mode 100644
index 0000000..9e33fe2
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception4.java
@@ -0,0 +1,16 @@
+package com.rt.exceptionexamples;
+
+class Exception4 {
+public static void main(String args[]) {
+try {
+int a = 0;
+int b = 42 / a;
+} catch(ArithmeticException e) { // ERROR - unreachable
+	System.out.println("This is never reached.");
+	}
+catch(Exception e) {
+System.out.println("Generic Exception catch.");
+}
+
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception5.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception5.java
new file mode 100644
index 0000000..cdea353
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception5.java
@@ -0,0 +1,21 @@
+package com.rt.exceptionexamples;
+
+class Exception5 {
+public static void main(String args[]) {
+try {
+int a = args.length;
+
+int b = 42 / a;
+System.out.println("a = " + a);
+
+if(a==1) a = a/(a-a); 
+if(a==2) {
+int c[] = { 1 };
+c[42] = 99; 
+}
+} catch(Exception e) {
+System.out.println("Array index Out-of-bounds: " + e);
+
+} 
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception6.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception6.java
new file mode 100644
index 0000000..f788e2f
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception6.java
@@ -0,0 +1,25 @@
+package com.rt.exceptionexamples;
+
+class Exception6 {
+static void nesttry(int a) {
+try { 
+if(a==1) a = a/(a-a); 
+if(a==2) {
+int c[] = { 1 };
+c[42] = 99; 
+}
+} catch(ArrayIndexOutOfBoundsException e) {
+System.out.println("Array index out-of-bounds: " + e);
+}
+}
+public static void main(String args[]) {
+try {
+int a = 2;
+int b = 42 / a;
+System.out.println("a = " + a);
+nesttry(a);
+} catch(ArithmeticException e) {
+System.out.println("Divide by 0: " + e);
+}
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception7.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception7.java
new file mode 100644
index 0000000..6e71309
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception7.java
@@ -0,0 +1,16 @@
+package com.rt.exceptionexamples;
+
+import java.io.IOException;
+
+class Exception7 {
+static void demoproc() throws IOException {
+throw new IOException();//("demo");
+
+}
+
+public static void main(String args[]) throws IOException {
+
+demoproc();
+
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception8.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception8.java
new file mode 100644
index 0000000..1f924bc
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception8.java
@@ -0,0 +1,17 @@
+package com.rt.exceptionexamples;
+
+class Exception8 {
+static void throwOne() throws IllegalAccessException {
+System.out.println("Inside throwOne.");
+throw new IllegalAccessException("demo");
+//throw new ArithmeticException();
+}
+public static void main(String args[]) {
+try {
+	throwOne();
+} catch (IllegalAccessException e) {
+	// TODO Auto-generated catch block
+	System.out.println("Got it"+e.getMessage());
+}
+}
+}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception9.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception9.java
new file mode 100644
index 0000000..10e398c
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Exception9.java
@@ -0,0 +1,17 @@
+package com.rt.exceptionexamples;
+
+class Exception9 {
+static void throwOne() {
+System.out.println("Inside throwOne.");
+try {
+	throw new IllegalAccessException("demo");
+} catch (IllegalAccessException e) {
+	// TODO Auto-generated catch block
+	e.printStackTrace();
+}
+}
+public static void main(String args[]) {
+
+throwOne();
+
+}}
\ No newline at end of file
diff --git a/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Test.java b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Test.java
new file mode 100644
index 0000000..4926b7b
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/exceptionexamples/Test.java
@@ -0,0 +1,16 @@
+package com.rt.exceptionexamples;
+
+public class Test {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		
+		Employee e1=new Employee(1, "Ram");
+		System.out.println(e1.toString());
+		
+//		System.out.println(e1.getClass());
+//		System.out.println(e1.hashCode());
+
+	}
+
+}
diff --git a/CCVT_Code_Distribute/src/com/rt/string/forStrings.java b/CCVT_Code_Distribute/src/com/rt/string/forStrings.java
new file mode 100644
index 0000000..dffed12
--- /dev/null
+++ b/CCVT_Code_Distribute/src/com/rt/string/forStrings.java
@@ -0,0 +1,156 @@
+package com.rt.string;
+import java.util.StringTokenizer;
+
+import com.rt.cloning.Employee;
+
+
+public class forStrings {
+
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		char ch[]={'h','e','l','l','o'};
+		
+		System.out.println(ch);
+
+		String str=new String(ch);
+		System.out.println(str);
+
+		System.out.println(str.equals(ch));
+
+		
+		String s1="Example of being immutable";
+		String s2="Example of being immutable";//
+		System.out.println("Checking s1 & s2 "+(s1==s2));
+		
+		String s3=new String("Example of being immutable");//
+		System.out.println("checking s1 & s3 "+(s1==s3));
+		System.out.println("Checking s1 & s2"+s1.equals(s2)+"\nchecking s1 & s3"+s1.equals(s3));
+		
+		System.out.println(s1.compareTo(s2));
+		System.out.println(s1.compareTo(s3));
+		
+		
+		s3=s3.intern();
+		System.out.println("checking s1 & s3 "+(s1==s3));
+		
+		String s41="abc";
+		String s51="abc";
+		String s61="abcdef";
+		System.out.println(s41==s51);//true
+		String s71=new String("abc");
+		s71=s71+"def";
+		System.out.println(s71);//abcdef
+		System.out.println(s61);//abcdef
+//		s71=s71.intern();
+		System.out.println(s61==s71);//false
+		//s51.concat("def");System.out.println("hghgj"+s51);
+		StringBuffer tt=new StringBuffer("abc");
+		tt.append("defssss");
+		
+		System.out.println(tt);
+		
+		
+		
+		
+		
+		
+		//String s1="Example of being immutable";
+		System.out.println(s1.charAt(2));
+		System.out.println(s1.length());
+		System.out.println(s1.format("Hey there %d and %d results in %d", 2,3,5));
+		System.out.println(s1.substring(4));
+		System.out.println(s1.substring(4, 9));
+		System.out.println(s2.substring(0, 1));//start index end index
+		System.out.println(s1.contains("bein"));
+		System.out.println(s1.isEmpty());
+		
+		String s4="Hi this is";
+		String s5="CCVT at UPES";
+		String s6=s4+s5;//	String s6=(new StringBuilder()).append(s4).append(s5).toString();  
+		System.out.println(s6);
+		s4.concat(s5);//being immutable
+		System.out.println(s4);
+		s4=s4.concat(s5);
+		System.out.println(s4);
+		
+		s1.replace('o', 'q');
+		System.out.println(s1);
+		
+		s1=s1.replace("being", "not");
+		System.out.println(s1);
+		String s7="    after 5 space";
+		System.out.println(s7);
+		System.out.println(s7.trim());
+		
+		System.out.println(s1.toLowerCase());
+		System.out.println(s1.toUpperCase());
+		
+		System.out.println(s1.startsWith("Ex"));
+		System.out.println(s1.endsWith("le"));
+		
+		int a=10;
+		String s8=String.valueOf(a);
+		
+		System.out.println(s8+12);
+		
+		
+		////******************STRING BUFFER
+		/*
+		*/
+		System.out.println("****************STRING BUFFER NOW***************");
+		StringBuffer sf1=new StringBuffer();//can be passed with int or string
+//sf1.append("aaaaaaaaaaaaaaaaa");
+		System.out.println(sf1.capacity()+""+sf1);
+		sf1.append("few string to append");
+		System.out.println(sf1);
+		sf1.insert(0, "see more appended ");
+		System.out.println(sf1);
+		sf1.replace(0, 8, "deleted");
+		System.out.println(sf1);
+		sf1.delete(0, 7);
+		System.out.println(sf1);
+		sf1.reverse();
+		System.out.println(sf1);
+//		sf1.ensureCapacity(50);
+		System.out.println(sf1.capacity());
+		
+		StringBuilder sb1=new StringBuilder();//can be passed with int or string
+		
+		sb1.reverse();
+		System.out.println(sb1.capacity()+""+sb1);
+		sb1.append("few string to append");
+		System.out.println(sb1);
+		sb1.insert(0, "see more appended ");
+		System.out.println(sb1);
+		sb1.replace(0, 8, "deleted");
+		System.out.println(sb1);
+		sb1.delete(0, 7);
+		System.out.println(sb1);
+		sb1.reverse();
+		System.out.println(sb1);
+//		sb1.ensureCapacity(500);
+		System.out.println(sb1.capacity());
+		
+		
+		//	toString method tgo be explained
+		String s9="This, string, will, be, tokenized";
+		StringTokenizer stk=new StringTokenizer(s9,"s");
+		while(stk.hasMoreTokens())
+		{
+			System.out.println(stk.nextToken());
+		}
+		
+		String s10[]=s9.split(",");
+		System.out.println(s10.length);
+		System.out.println(s10[0]+" XX"+s10[1]+" XX"+s10[2]);
+		
+		
+		
+		
+		// TODO Auto-generated method stub
+
+	}
+
+}
diff --git a/README.md b/README.md
index 1b08940..e2c2771 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,7 @@
-# Java_Programming_CCVT
-This is for distribution of Lecture code to my students...
+## Welcome to My Repository
+
+Hey There! This is **Ravi Tomar**, An **E**ngineer, An **A**cadmecian & a **H**elping hand, Working under capacity of Assistant Professor at University of Petroleum & Energy Studies, Dehradun
+
+### Use this Repository to learn basics of Java language
+
+
diff --git a/_config.yml b/_config.yml
new file mode 100644
index 0000000..c419263
--- /dev/null
+++ b/_config.yml
@@ -0,0 +1 @@
+theme: jekyll-theme-cayman
\ No newline at end of file