Merge pull request #8 from vaishakhvh/main

Adding sample java programs

Author: mranjan15

Fibonacci.java

@@ -0,0 +1,18 @@
+
+public class Fibonacci {
+    public static void main(String[] args) {
+    	
+    	//Prints first 12 fibonacci series numbers
+        int n = 12, t1 = 0, t2 = 1;
+        System.out.print("First " + n + " terms: ");
+
+        for (int i = 1; i <= n; ++i)
+        {
+            System.out.print(t1 + " + ");
+
+            int sum = t1 + t2;
+            t1 = t2;
+            t2 = sum;
+        }
+    }
+}

HelloWorld_OneCharEverySecond.java

@@ -0,0 +1,11 @@
+
+public class HelloWorld_OneCharEverySecond {
+	public static void main(String[] args) throws InterruptedException {
+		String helloWorld = "Hello, World!";
+		
+		for(char c:helloWorld.toCharArray()) {
+			System.out.print(c);
+			Thread.sleep(1000);
+		}
+	}
+}

Palindrome.java

@@ -0,0 +1,42 @@
+
+public class Palindrome { 
+
+	// Function that returns true if 
+	// str is a palindrome 
+	static boolean isPalindrome(String str) 
+	{ 
+
+		// Pointers pointing to the beginning 
+		// and the end of the string 
+		int i = 0, j = str.length() - 1; 
+
+		// While there are characters to compare 
+		while (i < j) { 
+
+			// If there is a mismatch 
+			if (str.charAt(i) != str.charAt(j)) 
+				return false; 
+
+			// Increment first pointer and 
+			// decrement the other 
+			i++; 
+			j--; 
+		} 
+
+		// Given string is a Palindrome 
+		return true; 
+	} 
+
+	// Test code 
+	public static void main(String[] args) 
+	{ 
+		String str = "wow"; 
+
+		if (isPalindrome(str)) 
+			System.out.print("Yes"); 
+		else
+			System.out.print("No"); 
+	} 
+} 
+
+