Initial Commit

Author: engineerscodes

easyq/src/easyq/reverse_an_string.java

@@ -0,0 +1,47 @@
+package easyq;
+/*  BY-M.NAVEEN
+ *  engineerscodes
+ *  code-reverse a string
+ *  sr.code-St1
+ *
+ *  */
+import java.util.Arrays;
+import java.util.*;
+public class reverse_an_string  //class name
+{   static Scanner nav=new Scanner(System.in);// calling Scanner and creating object nav
+    static String array[],str,ch; // class instances variables
+    static int size;
+	public reverse_an_string() // constructor
+	{
+		size=array.length;//intialization of variables 
+	}
+	public static void reverse()  //method to reverse String array
+	{
+		for(int i=0;i<size/2;i++)
+		{
+			ch=array[i];
+			array[i]=array[size-1-i];
+			array[size-1-i]=ch;
+			
+		}
+		System.out.println(" reverse array --"+Arrays.toString(array));
+		print();
+	}
+	public static  void print()  //method to display
+	{   System.out.println("element in array-");
+		for(int i=0;i<size;i++)
+		{
+			System.out.print(" "+array[i]);	
+		}
+	}
+	public static void main(String arg[]) //main mathod
+	{
+		System.out.println("Enter the the string");
+		str=nav.nextLine();
+		System.out.println(" string  -"+str);
+		array=str.split("");
+		reverse_an_string n=new reverse_an_string();
+		reverse();
+	}
+
+}